line

source/engine/debug/debugdraw.c

@@ -6,6 +6,7 @@
 #include "log.h"
 #include <assert.h>
 #include "debug.h"
+#include "window.h"
 
 #include "stb_ds.h"
 
@@ -69,6 +70,7 @@ void draw_edge(cpVect  *points, int n, float *color)
 
     shader_use(rectShader);
     shader_setvec3(rectShader, "linecolor", color);
+    glLineWidth(20);
     glBindBuffer(GL_ARRAY_BUFFER, rectVBO);
     glBufferData(GL_ARRAY_BUFFER, sizeof(float) * n * 2, points, GL_DYNAMIC_DRAW);
     glBindVertexArray(rectVAO);
@@ -77,6 +79,7 @@ void draw_edge(cpVect  *points, int n, float *color)
 
     shader_setfloat(rectShader, "alpha", 1.f);
     glDrawArrays(GL_LINE_STRIP, 0, n);
+    glLineWidth(1);
 }
 
 void draw_circle(int x, int y, float radius, int pixels, float *color, int fill)
@@ -130,10 +133,14 @@ void draw_grid(int width, int span)
     shader_use(gridShader);
     shader_setint(gridShader, "thickness", width);
     shader_setint(gridShader, "span", span);
+    
+    cpVect offset = cam_pos();
+    offset.x -= mainwin->width/2;
+    offset.y -= mainwin->height/2;
+    shader_setvec2(gridShader, "offset", &offset);
+    
     glBindVertexArray(gridVAO);
     glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
-
-
 }
 
 void draw_point(int x, int y, float r, float *color)

source/engine/ffi.c

@@ -636,6 +636,23 @@ duk_ret_t duk_cmd(duk_context *duk) {
 	  if (!id2sprite(duk_to_int(duk, 1))) return 0;
           id2sprite(duk_to_int(duk, 1))->layer = duk_to_int(duk, 2);
 	  break;
+	
+	case 61:
+	  set_cam_body(id2body(duk_to_int(duk, 1)));
+	  break;
+	  
+	case 62:
+	  add_zoom(duk_to_number(duk, 1));
+	  break;
+	  
+	case 63:
+	  duk_push_number(duk, deltaT);
+	  return 1;
+	  
+	case 64:
+	  vect2duk(tex_get_dimensions(texture_pullfromfile(duk_to_string(duk, 1))));
+	  return 1;
+	  
     }
 
     return 0;
@@ -1023,6 +1040,10 @@ duk_ret_t duk_cmd_edge2d(duk_context *duk)
       phys2d_edge_clearverts(edge);
       phys2d_edge_addverts(edge, duk2cpvec2arr(duk, 2));
       break;
+      
+    case 1:
+      edge->thickness = duk_to_number(duk, 2);
+      break;
   }
   
   return 0;

source/engine/gameobject.c

@@ -38,6 +38,16 @@ int body2id(cpBody *body)
   return cpBodyGetUserData(body);
 }
 
+cpBody *id2body(int id)
+{
+  struct gameobject *go;
+  
+  if (go = id2go(id))
+    return go->body;
+  
+  return NULL;
+}
+
 int shape2gameobject(cpShape *shape)
 {
   struct phys2d_shape *s = cpShapeGetUserData(shape);

source/engine/gameobject.h

@@ -50,6 +50,7 @@ struct gameobject *get_gameobject_from_id(int id);
 struct gameobject *id2go(int id);
 int id_from_gameobject(struct gameobject *go);
 int body2id(cpBody *body);
+cpBody *id2body(int id);
 
 void go_shape_apply(cpBody *body, cpShape *shape, struct gameobject *go);
 

source/engine/input.c

@@ -62,6 +62,15 @@ static void cursor_pos_cb(GLFWwindow *w, double xpos, double ypos)
 
 }
 
+static void pawn_call_keydown(int key)
+{
+  for (int i = 0; i < arrlen(pawns); i++) {
+    if (!pawns[i] || script_eval_setup("input_num_pressed", pawns[i])) continue;
+    duk_push_int(duk, key);
+    script_eval_exec(1);
+  }
+}
+
 static void scroll_cb(GLFWwindow *w, double xoffset, double yoffset)
 {
     mouseWheelY = yoffset;
@@ -260,6 +269,10 @@ void input_poll(double wait)
         call_input_down(&downkeys[i]);
 }
 
+int key_is_num(int key) {
+  return key <= 57 && key >= 48;
+}
+
 void win_key_callback(GLFWwindow *w, int key, int scancode, int action, int mods)
 {
     char keystr[50] = {'\0'};
@@ -270,6 +283,11 @@ void win_key_callback(GLFWwindow *w, int key, int scancode, int action, int mods
             snprintf(keystr, 50, "input_%s_pressed", kkey);
 	    add_downkey(key);
 	    call_input_signal("input_any_pressed");
+	    
+	    if (key_is_num(key)) {
+	      pawn_call_keydown(key-48);
+	    }
+	    
             break;
 
         case GLFW_RELEASE:

source/engine/openglrender.c

@@ -124,10 +124,11 @@ void openglRender(struct window *window)
     //////////// 2D projection
     mfloat_t projection[16] = { 0.f };
     cpVect pos = cam_pos();
-     mat4_ortho(projection, pos.x,
+
-	   window->width*zoom + pos.x,
+     mat4_ortho(projection, pos.x - zoom*window->width/2,
-	   pos.y,
+	   pos.x + zoom*window->width/2,
-	   window->height*zoom + pos.y, -1.f, 1.f);
+	   pos.y - zoom*window->height/2,
+	   pos.y + zoom*window->height/2, -1.f, 1.f);
 
     mfloat_t ui_projection[16] = { 0.f };
     mat4_ortho(ui_projection, 0,

source/engine/script.c

@@ -197,6 +197,13 @@ void callee_dbl(struct callee c, double d)
   exec_callee(1);
 }
 
+void callee_int(struct callee c, int i)
+{
+  setup_callee(c);
+  duk_push_int(duk, i);
+  exec_callee(1);
+}
+
 void callee_vec2(struct callee c, cpVect vec)
 {
   setup_callee(c);

source/engine/texture.c

@@ -219,6 +219,15 @@ struct glrect tex_get_rect(struct Texture *tex)
     return ST_UNIT;
 }
 
+cpVect tex_get_dimensions(struct Texture *tex)
+{
+  if (!tex) return cpvzero;
+  cpVect d;
+  d.x = tex->width;
+  d.y = tex->height;
+  return d;
+}
+
 void tex_bind(struct Texture *tex)
 {
     glActiveTexture(GL_TEXTURE0);

source/engine/texture.h

@@ -2,6 +2,7 @@
 #define TEXTURE_H
 
 #include "timer.h"
+#include <chipmunk/chipmunk.h>
 
 #define TEX_SPEC 0
 #define TEX_NORM 1
@@ -67,6 +68,7 @@ struct Texture {
 
 struct Texture *texture_pullfromfile(const char *path);   // Create texture from image
 struct Texture *texture_loadfromfile(const char *path);    // Create texture & load to gpu
+struct Texture *str2tex(const char *path);
 void tex_gpu_reload(struct Texture *tex);    // gpu_free then gpu_load
 void tex_gpu_free(struct Texture *tex);     // Remove texture data from gpu
 void tex_bind(struct Texture *tex);    // Bind to gl context
@@ -88,6 +90,7 @@ void anim_incr(struct anim2d  *anim);
 void anim_decr(struct anim2d *anim);
 
 struct glrect tex_get_rect(struct Texture *tex);
+cpVect tex_get_dimensions(struct Texture *tex);
 struct glrect anim_get_rect(struct anim2d *anim);
 
 int anim_frames(struct TexAnim *a);

source/shaders/gridvert.glsl

@@ -2,15 +2,16 @@
 layout (location = 0) in vec2 pos;
 out vec2 apos;
 
+uniform vec2 offset;
+
 layout (std140) uniform Projection {
     mat4 projection;
 };
 
 void main()
 {
-    mat4 iproj = inverse(projection);
+    vec4 ipos = inverse(projection) * vec4(pos, 0.f, 1.f);
-    vec4 ipos = iproj * vec4(pos, 0.f, 1.f);
+    apos = ipos.xy + offset;
-    apos = ipos.xy;
 
     gl_Position = vec4(pos, 0.f, 1.f);
 }