645 lines
16 KiB
C
645 lines
16 KiB
C
#include "debugdraw.h"
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#include "openglrender.h"
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#include "render.h"
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#include "yugine.h"
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#include "shader.h"
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#include "log.h"
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#include <assert.h>
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#include "debug.h"
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#include "window.h"
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#include "2dphysics.h"
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#include "stb_ds.h"
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#include "sokol/sokol_gfx.h"
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#define PAR_STREAMLINES_IMPLEMENTATION
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#include "par/par_streamlines.h"
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#include "font.h"
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#define v_amt 5000
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static sg_shader point_shader;
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static sg_pipeline point_pipe;
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static sg_bindings point_bind;
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struct point_vertex {
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cpVect pos;
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struct rgba color;
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float radius;
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};
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static int point_c = 0;
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static int point_sc = 0;
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static struct point_vertex point_b[v_amt];
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static sg_shader line_shader;
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static sg_pipeline line_pipe;
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static sg_bindings line_bind;
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struct line_vert {
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cpVect pos;
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float dist;
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struct rgba color;
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float seg_len;
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float seg_speed;
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};
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static int line_c = 0;
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static int line_v = 0;
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static int line_sc = 0;
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static int line_sv = 0;
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static struct line_vert line_b[v_amt];
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static uint16_t line_bi[v_amt];
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static sg_pipeline grid_pipe;
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static sg_bindings grid_bind;
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static sg_shader grid_shader;
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static int grid_c = 0;
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static sg_pipeline poly_pipe;
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static sg_bindings poly_bind;
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static sg_shader poly_shader;
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static int poly_c = 0;
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static int poly_v = 0;
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static int poly_sc = 0;
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static int poly_sv = 0;
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struct poly_vertex {
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cpVect pos;
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float uv[2];
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struct rgba color;
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};
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static struct poly_vertex poly_b[v_amt];
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static uint32_t poly_bi[v_amt];
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static sg_pipeline circle_pipe;
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static sg_bindings circle_bind;
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static sg_shader csg;
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static int circle_count = 0;
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static int circle_sc = 0;
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struct circle_vertex {
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cpVect pos;
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float radius;
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struct rgba color;
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float segsize;
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float fill;
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};
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static struct circle_vertex circle_b[v_amt];
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/* Writes debug data to buffers, and draws */
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void debug_flush(HMM_Mat4 *view)
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{
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if (poly_c != 0) {
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sg_apply_pipeline(poly_pipe);
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sg_apply_bindings(&poly_bind);
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sg_apply_uniforms(SG_SHADERSTAGE_VS,0,SG_RANGE_REF(*view));
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int b = sg_append_buffer(poly_bind.vertex_buffers[0], &(sg_range){
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.ptr = poly_b, .size = sizeof(struct poly_vertex)*poly_v});
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int bi = sg_append_buffer(poly_bind.index_buffer, &(sg_range){
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.ptr = poly_bi, .size = sizeof(uint32_t)*poly_c});
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sg_draw(poly_sc,poly_c,1);
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}
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if (point_c != 0) {
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sg_apply_pipeline(point_pipe);
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sg_apply_bindings(&point_bind);
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sg_apply_uniforms(SG_SHADERSTAGE_VS,0,SG_RANGE_REF(*view));
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sg_append_buffer(point_bind.vertex_buffers[0], &(sg_range){
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.ptr = point_b,
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.size = sizeof(struct point_vertex)*point_c});
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sg_draw(point_sc,point_c,1);
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}
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if (line_c != 0) {
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sg_apply_pipeline(line_pipe);
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sg_apply_bindings(&line_bind);
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sg_apply_uniforms(SG_SHADERSTAGE_VS,0,SG_RANGE_REF(*view));
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float time = appTime;
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sg_range tr = {
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.ptr = &time,
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.size = sizeof(float)
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};
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sg_apply_uniforms(SG_SHADERSTAGE_FS,0,&tr);
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sg_append_buffer(line_bind.vertex_buffers[0], &(sg_range){
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.ptr = line_b, .size = sizeof(struct line_vert)*line_v});
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sg_append_buffer(line_bind.index_buffer, &(sg_range){
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.ptr = line_bi, .size = sizeof(uint16_t)*line_c});
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sg_draw(line_sc,line_c,1);
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}
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if (circle_count != 0) {
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sg_apply_pipeline(circle_pipe);
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sg_apply_bindings(&circle_bind);
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sg_apply_uniforms(SG_SHADERSTAGE_VS, 0, SG_RANGE_REF(*view));
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sg_append_buffer(circle_bind.vertex_buffers[0], &(sg_range){
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.ptr = circle_b,
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.size = sizeof(struct circle_vertex)*circle_count
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});
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sg_draw(circle_sc,4,circle_count);
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}
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}
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void debug_nextpass()
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{
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point_sc = point_c;
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point_c = 0;
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circle_sc = circle_count;
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circle_count = 0;
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line_sv = line_v;
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line_v = 0;
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line_sc = line_c;
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line_c = 0;
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poly_sc = poly_c;
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poly_c = 0;
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poly_sv = poly_v;
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poly_v = 0;
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}
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void debug_newframe()
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{
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point_sc = 0;
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point_c = 0;
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circle_sc = circle_count = line_sv = line_v = line_sc = line_c = poly_sc = poly_c = 0;
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poly_sv = poly_v = 0;
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}
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static sg_shader_uniform_block_desc projection_ubo = {
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.size = sizeof(projection),
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.uniforms = {
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[0] = { .name = "proj", .type = SG_UNIFORMTYPE_MAT4 },
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}
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};
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static sg_shader_uniform_block_desc time_ubo = {
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.size = sizeof(float),
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.uniforms = {
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[0] = { .name = "time", .type = SG_UNIFORMTYPE_FLOAT },
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}
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};
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void debugdraw_init()
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{
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point_shader = sg_compile_shader("shaders/point_v.glsl", "shaders/point_f.glsl", &(sg_shader_desc){
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.vs.uniform_blocks[0] = projection_ubo
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});
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point_pipe = sg_make_pipeline(&(sg_pipeline_desc){
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.shader = point_shader,
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.layout = {
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.attrs = {
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[0].format = SG_VERTEXFORMAT_FLOAT2, /* pos */
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[1].format = SG_VERTEXFORMAT_UBYTE4N, /* color */
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[2].format = SG_VERTEXFORMAT_FLOAT /* radius */
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}
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},
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.primitive_type = SG_PRIMITIVETYPE_POINTS,
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.colors[0].blend = blend_trans
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});
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point_bind.vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
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.size = sizeof(struct point_vertex)*v_amt,
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.usage = SG_USAGE_STREAM
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});
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line_shader = sg_compile_shader("shaders/linevert.glsl", "shaders/linefrag.glsl", &(sg_shader_desc){
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.vs.uniform_blocks[0] = projection_ubo,
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.fs.uniform_blocks[0] = time_ubo
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});
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line_pipe = sg_make_pipeline(&(sg_pipeline_desc){
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.shader = line_shader,
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.layout = {
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.attrs = {
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[0].format = SG_VERTEXFORMAT_FLOAT2, /* pos */
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[1].format = SG_VERTEXFORMAT_FLOAT, /* dist */
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[2].format = SG_VERTEXFORMAT_UBYTE4N, /* color */
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[3].format = SG_VERTEXFORMAT_FLOAT, /* seg length */
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[4].format = SG_VERTEXFORMAT_FLOAT /* dashed line speed */
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}
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},
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.primitive_type = SG_PRIMITIVETYPE_LINES,
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.index_type = SG_INDEXTYPE_UINT16,
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.colors[0].blend = blend_trans
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});
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line_bind.vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
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.size = sizeof(struct line_vert)*v_amt,
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.usage = SG_USAGE_STREAM
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});
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line_bind.index_buffer = sg_make_buffer(&(sg_buffer_desc){
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.size = sizeof(uint16_t)*v_amt,
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.usage = SG_USAGE_STREAM,
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.type = SG_BUFFERTYPE_INDEXBUFFER
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});
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csg = sg_compile_shader("shaders/circlevert.glsl", "shaders/circlefrag.glsl", &(sg_shader_desc){
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.vs.uniform_blocks[0] = projection_ubo,
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});
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circle_pipe = sg_make_pipeline(&(sg_pipeline_desc){
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.shader = csg,
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.layout = {
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.attrs = {
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[0].format = SG_VERTEXFORMAT_FLOAT2,
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[0].buffer_index = 1,
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[1].format = SG_VERTEXFORMAT_FLOAT2,
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[2].format = SG_VERTEXFORMAT_FLOAT,
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[3].format = SG_VERTEXFORMAT_UBYTE4N,
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[4].format = SG_VERTEXFORMAT_FLOAT,
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[5].format = SG_VERTEXFORMAT_FLOAT
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},
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.buffers[0].step_func = SG_VERTEXSTEP_PER_INSTANCE,
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},
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.primitive_type = SG_PRIMITIVETYPE_TRIANGLE_STRIP,
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.cull_mode = SG_CULLMODE_BACK,
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.colors[0].blend = blend_trans,
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.label = "circle pipeline"
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});
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circle_bind.vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
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.size = sizeof(struct circle_vertex)*v_amt,
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.usage = SG_USAGE_STREAM,
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});
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float circleverts[8] = {
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-1,-1,
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-1,1,
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1,-1,
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1,1
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};
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circle_bind.vertex_buffers[1] = sg_make_buffer(&(sg_buffer_desc){
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.data = SG_RANGE(circleverts),
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.usage = SG_USAGE_IMMUTABLE,
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});
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grid_shader = sg_compile_shader("shaders/gridvert.glsl", "shaders/gridfrag.glsl", &(sg_shader_desc){
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.vs.uniform_blocks[0] = projection_ubo,
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.vs.uniform_blocks[1] = {
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.size = sizeof(float)*2,
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.uniforms = { [0] = { .name = "offset", .type = SG_UNIFORMTYPE_FLOAT2 } } },
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.fs.uniform_blocks[0] = {
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.size = sizeof(float)*6,
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.uniforms = {
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[0] = { .name = "thickness", .type = SG_UNIFORMTYPE_FLOAT },
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[1] = { .name = "span", .type = SG_UNIFORMTYPE_FLOAT },
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[2] = { .name = "color", .type = SG_UNIFORMTYPE_FLOAT4 },
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}
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},
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});
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grid_pipe = sg_make_pipeline(&(sg_pipeline_desc){
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.shader = grid_shader,
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.layout = {
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.attrs = {
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[0].format = SG_VERTEXFORMAT_FLOAT2, /* pos */
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}
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},
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.primitive_type = SG_PRIMITIVETYPE_TRIANGLE_STRIP,
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// .cull_mode = sg_cullmode_back,
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.label = "grid pipeline",
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.colors[0].blend = blend_trans,
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});
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grid_bind.vertex_buffers[0] = circle_bind.vertex_buffers[1];
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poly_shader = sg_compile_shader("shaders/poly_v.glsl", "shaders/poly_f.glsl", &(sg_shader_desc){
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.vs.uniform_blocks[0] = projection_ubo
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});
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poly_pipe = sg_make_pipeline(&(sg_pipeline_desc){
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.shader = poly_shader,
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.layout = {
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.attrs = { [0].format = SG_VERTEXFORMAT_FLOAT2, /* pos */
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[1].format = SG_VERTEXFORMAT_FLOAT2, /* uv */
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[2].format = SG_VERTEXFORMAT_UBYTE4N /* color rgba */
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}
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},
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.index_type = SG_INDEXTYPE_UINT32,
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.colors[0].blend = blend_trans,
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});
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poly_bind.vertex_buffers[0] = sg_make_buffer(&(sg_buffer_desc){
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.size = sizeof(struct poly_vertex)*v_amt,
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.usage = SG_USAGE_STREAM,
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.type = SG_BUFFERTYPE_VERTEXBUFFER,
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});
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poly_bind.index_buffer = sg_make_buffer(&(sg_buffer_desc){
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.size = sizeof(uint32_t)*6*v_amt,
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.usage = SG_USAGE_STREAM,
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.type = SG_BUFFERTYPE_INDEXBUFFER
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});
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}
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void draw_line(cpVect *a_points, int a_n, struct rgba color, float seg_len, int closed, float seg_speed)
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{
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if (a_n < 2) return;
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seg_speed = 1;
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int n = closed ? a_n+1 : a_n;
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cpVect points[n];
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memcpy(points, a_points, sizeof(cpVect)*n);
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if (closed)
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points[n-1] = a_points[0];
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struct line_vert v[n];
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float dist = 0;
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for (int i = 0; i < n-1; i++) {
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v[i].pos = points[i];
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v[i].dist = dist;
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v[i].color = color;
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v[i].seg_len = seg_len;
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v[i].seg_speed = seg_speed;
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dist += cpvdist(points[i], points[i+1]);
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}
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v[n-1].pos = points[n-1];
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v[n-1].dist = dist;
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v[n-1].color = color;
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v[n-1].seg_len = seg_len;
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v[n-1].seg_speed = seg_speed;
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int i_c = (n-1)*2;
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uint16_t idxs[i_c];
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for (int i = 0, d = 0; i < n-1; i++, d+=2) {
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idxs[d] = i + line_v + line_sv;
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idxs[d+1] = i+1 + line_v + line_sv;
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}
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sg_range vr = {
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.ptr = v,
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.size = sizeof(struct line_vert)*n
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};
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sg_range ir = {
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.ptr = idxs,
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.size = sizeof(uint16_t)*i_c
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};
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memcpy(line_b+line_v, v, sizeof(struct line_vert)*n);
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memcpy(line_bi+line_c, idxs, sizeof(uint16_t)*i_c);
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line_c += i_c;
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line_v += n;
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}
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cpVect center_of_vects(cpVect *v, int n)
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{
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cpVect c;
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for (int i = 0; i < n; i++) {
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c.x += v[i].x;
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c.y += v[i].y;
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}
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c.x /= n;
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c.y /= n;
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return c;
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}
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float vecs2m(cpVect a, cpVect b)
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{
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return (b.y-a.y)/(b.x-a.x);
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}
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cpVect inflatepoint(cpVect a, cpVect b, cpVect c, float d)
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{
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cpVect ba = cpvnormalize(cpvsub(a,b));
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cpVect bc = cpvnormalize(cpvsub(c,b));
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cpVect avg = cpvadd(ba, bc);
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avg = cpvmult(avg, 0.5);
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float dot = cpvdot(ba, bc);
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dot /= cpvlength(ba);
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dot /= cpvlength(bc);
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float mid = acos(dot)/2;
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avg = cpvnormalize(avg);
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return cpvadd(b, cpvmult(avg, d/sin(mid)));
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}
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void inflatepoints(cpVect *r, cpVect *p, float d, int n)
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{
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if (d == 0) {
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for (int i = 0; i < n; i++)
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r[i] = p[i];
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return;
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}
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if (cpveql(p[0], p[n-1])) {
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r[0] = inflatepoint(p[n-2],p[0],p[1],d);
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r[n-1] = r[0];
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} else {
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cpVect outdir = cpvmult(cpvnormalize(cpvsub(p[0],p[1])),fabs(d));
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cpVect perp;
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if (d > 0)
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perp = cpvperp(outdir);
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else
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perp = cpvrperp(outdir);
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r[0] = cpvadd(p[0],cpvadd(outdir,perp));
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outdir = cpvmult(cpvnormalize(cpvsub(p[n-1],p[n-2])),fabs(d));
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if (d > 0)
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perp = cpvrperp(outdir);
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else
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perp = cpvperp(outdir);
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r[n-1] = cpvadd(p[n-1],cpvadd(outdir,perp));
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}
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for (int i = 0; i < n-2; i++)
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r[i+1] = inflatepoint(p[i],p[i+1],p[i+2], d);
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}
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void draw_edge(cpVect *points, int n, struct rgba color, int thickness, int closed, int flags, struct rgba line_color, float line_seg)
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{
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static_assert(sizeof(cpVect) == 2*sizeof(float), "Size of cpVect is not 2 floats.");
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if (thickness == 0) {
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thickness = 1;
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}
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/* todo: should be dashed, and filled. use a texture. */
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/* draw polygon outline */
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if (cpveql(points[0], points[n-1])) {
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closed = true;
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n--;
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}
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parsl_position par_v[n];
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for (int i = 0; i < n; i++) {
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par_v[i].x = points[i].x;
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par_v[i].y = points[i].y;
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}
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uint16_t spine_lens[] = {n};
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parsl_context *par_ctx = parsl_create_context((parsl_config){
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.thickness = thickness,
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.flags = PARSL_FLAG_ANNOTATIONS,
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.u_mode = PAR_U_MODE_DISTANCE,
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});
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parsl_mesh *mesh = parsl_mesh_from_lines(par_ctx, (parsl_spine_list){
|
|
.num_vertices = n,
|
|
.num_spines = 1,
|
|
.vertices = par_v,
|
|
.spine_lengths = spine_lens,
|
|
.closed = closed
|
|
});
|
|
|
|
for (int i = 0; i < mesh->num_triangles*3; i++)
|
|
mesh->triangle_indices[i] += (poly_v+poly_sv);
|
|
|
|
struct poly_vertex vertices[mesh->num_vertices];
|
|
|
|
for (int i = 0; i < mesh->num_vertices; i++) {
|
|
vertices[i].pos = (cpVect){ .x = mesh->positions[i].x, .y = mesh->positions[i].y };
|
|
vertices[i].uv[0] = mesh->annotations[i].u_along_curve;
|
|
vertices[i].uv[1] = mesh->annotations[i].v_across_curve;
|
|
vertices[i].color = color;
|
|
}
|
|
|
|
memcpy(poly_b+poly_v, vertices, sizeof(struct poly_vertex)*mesh->num_vertices);
|
|
memcpy(poly_bi+poly_c, mesh->triangle_indices, sizeof(uint32_t)*mesh->num_triangles*3);
|
|
|
|
poly_c += mesh->num_triangles*3;
|
|
poly_v += mesh->num_vertices;
|
|
|
|
parsl_destroy_context(par_ctx);
|
|
|
|
/* Now drawing the line outlines */
|
|
if (thickness == 1) {
|
|
draw_line(points,n,line_color,line_seg, 0, 0);
|
|
} else {
|
|
/* Draw inside and outside lines */
|
|
cpVect in_p[n];
|
|
cpVect out_p[n];
|
|
|
|
for (int i = 0, v = 0; i < n*2+1; i+=2, v++)
|
|
in_p[v] = vertices[i].pos;
|
|
|
|
for (int i = 1, v = 0; i < n*2; i+=2,v++)
|
|
out_p[v] = vertices[i].pos;
|
|
|
|
draw_line(in_p,n,line_color,line_seg,1,0);
|
|
draw_line(out_p,n,line_color,line_seg,1,0);
|
|
}
|
|
}
|
|
|
|
void draw_circle(cpVect pos, float radius, float pixels, struct rgba color, float seg)
|
|
{
|
|
struct circle_vertex cv;
|
|
cv.pos = pos;
|
|
cv.radius = radius;
|
|
cv.color = color;
|
|
cv.segsize = seg/radius;
|
|
cv.fill = pixels/radius;
|
|
memcpy(circle_b+circle_count, &cv, sizeof(struct circle_vertex));
|
|
circle_count++;
|
|
}
|
|
|
|
void draw_box(struct cpVect c, struct cpVect wh, struct rgba color)
|
|
{
|
|
float hw = wh.x / 2.f;
|
|
float hh = wh.y / 2.f;
|
|
|
|
cpVect verts[4] = {
|
|
{ .x = c.x-hw, .y = c.y-hh },
|
|
{ .x = c.x+hw, .y = c.y-hh },
|
|
{ .x = c.x+hw, .y = c.y+hh },
|
|
{ .x = c.x-hw, .y = c.y+hh }
|
|
};
|
|
|
|
draw_poly(verts, 4, color);
|
|
}
|
|
|
|
void draw_arrow(struct cpVect start, struct cpVect end, struct rgba color, int capsize)
|
|
{
|
|
cpVect points[2] = {start, end};
|
|
draw_line(points, 2, color, 0, 0,0);
|
|
draw_cppoint(end, capsize, color);
|
|
}
|
|
|
|
void draw_grid(int width, int span, struct rgba color)
|
|
{
|
|
cpVect offset = cam_pos();
|
|
offset.x -= mainwin.width/2;
|
|
offset.y -= mainwin.height/2;
|
|
offset = cpvmult(offset, 1/cam_zoom());
|
|
|
|
sg_apply_pipeline(grid_pipe);
|
|
sg_apply_bindings(&grid_bind);
|
|
|
|
float col[4] = { color.r/255.0 ,color.g/255.0 ,color.b/255.0 ,color.a/255.0 };
|
|
|
|
float fubo[6];
|
|
fubo[0] = 1;
|
|
fubo[1] = span;
|
|
memcpy(&fubo[2], col, sizeof(float)*4);
|
|
sg_apply_uniforms(SG_SHADERSTAGE_VS, 0, SG_RANGE_REF(projection));
|
|
sg_apply_uniforms(SG_SHADERSTAGE_VS, 1, SG_RANGE_REF(offset));
|
|
sg_apply_uniforms(SG_SHADERSTAGE_FS, 0, SG_RANGE_REF(fubo));
|
|
sg_draw(0,4,1);
|
|
}
|
|
|
|
void draw_cppoint(struct cpVect point, float r, struct rgba color)
|
|
{
|
|
struct point_vertex p = {
|
|
.pos = point,
|
|
.color = color,
|
|
.radius = r
|
|
};
|
|
|
|
memcpy(point_b+point_c, &p, sizeof(struct point_vertex));
|
|
point_c++;
|
|
}
|
|
|
|
void draw_points(struct cpVect *points, int n, float size, struct rgba color)
|
|
{
|
|
for (int i = 0; i < n; i++)
|
|
draw_cppoint(points[i], size, color);
|
|
}
|
|
|
|
void draw_poly(cpVect *points, int n, struct rgba color)
|
|
{
|
|
/* Find polygon mesh */
|
|
int tric = n - 2;
|
|
|
|
if (tric < 1) return;
|
|
|
|
uint32_t tridxs[tric*3];
|
|
|
|
for (int i = 2, ti = 0; i < n; i++, ti+=3) {
|
|
tridxs[ti] = 0;
|
|
tridxs[ti+1] = i-1;
|
|
tridxs[ti+2] = i;
|
|
}
|
|
|
|
for (int i = 0; i < tric*3; i++)
|
|
tridxs[i] += poly_v+poly_sv;
|
|
|
|
struct poly_vertex polyverts[n];
|
|
|
|
for (int i = 0; i < n; i++) {
|
|
polyverts[i].pos = points[i];
|
|
polyverts[i].uv[0] = 0.0;
|
|
polyverts[i].uv[1] = 0.0;
|
|
polyverts[i].color = color;
|
|
}
|
|
|
|
memcpy(poly_b+poly_v, polyverts, sizeof(struct poly_vertex)*n);
|
|
memcpy(poly_bi+poly_c, tridxs, sizeof(uint32_t)*3*tric);
|
|
|
|
poly_c += tric*3;
|
|
poly_v += n;
|
|
}
|