111 lines
2.4 KiB
C
111 lines
2.4 KiB
C
#include "script.h"
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#include "stdio.h"
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#include "log.h"
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#include "mrbffi.h"
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#include "stb_ds.h"
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s7_scheme *s7 = NULL;
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s7_pointer *updates;
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static void my_print(s7_scheme *sc, uint8_t c, s7_pointer port) {
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static char buffer[1024];
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static char *p = buffer;
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if (c != '\0' && p != &buffer[1023]) {
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*p = c;
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p++;
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} else {
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YughInfo(buffer);
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p = buffer;
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}
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}
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void script_init() {
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s7 = s7_init();
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s7_set_current_error_port(s7, s7_open_output_string(s7));
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s7_set_current_output_port(s7, s7_open_output_function(s7, my_print));
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ffi_load();
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}
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void script_run(const char *script) {
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s7_pointer old_port = s7_set_current_error_port(s7, s7_open_output_string(s7));
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int gc_loc = -1;
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if (old_port != s7_nil(s7)) gc_loc = s7_gc_protect(s7, old_port);
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s7_eval_c_string(s7, script);
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const char *errmsg = s7_get_output_string(s7, s7_current_error_port(s7));
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if (errmsg && (*errmsg))
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mYughLog(1, 2, 0, "script", "Scripting error: %s", errmsg);
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s7_close_output_port(s7, s7_current_error_port(s7));
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s7_set_current_error_port(s7, old_port);
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if (gc_loc != -1) s7_gc_unprotect_at(s7, gc_loc);
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}
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int script_dofile(const char *file) {
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/* static char fload[512];
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snprintf(fload, 512, "(write (load \"%s\"))", file);
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s7_eval_c_string(s7, fload);
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*/
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if (!s7_load(s7, file)) {
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YughError("Can't find file %s.", file);
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return 1;
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}
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const char *errmsg = s7_get_output_string(s7, s7_current_error_port(s7));
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if (errmsg && (*errmsg))
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mYughLog(1, 2, 0, "script", "Scripting error: %s", errmsg);
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return 0;
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}
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/* Call the "update" function in the master game script */
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void script_update(double dt) {
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}
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/* Call the "draw" function in master game script */
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void script_draw() {
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}
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/* Call "editor" function in master game script */
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void script_editor() {
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}
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void script_call(const char *f) {
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s7_call(s7, s7_name_to_value(s7, f), s7_nil(s7));
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}
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void script_eval_w_env(const char *s, s7_pointer env) {
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char buffer[512];
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snprintf(buffer, 512-1, "(%s)", s);
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s7_eval_c_string_with_environment(s7, buffer, env);
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}
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void script_call_sym(s7_pointer sym)
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{
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s7_call(s7, sym, s7_nil(s7));
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}
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int script_has_sym(s7_pointer sym) {
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return 1;
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}
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void register_update(s7_pointer sym) {
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arrput(updates, sym);
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}
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void call_updates() {
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for (int i = 0; i < arrlen(updates); i++)
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script_call_sym(updates[i]);
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} |