WiiDuktape/source/main.c

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#include <grrlib.h>
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#include <duktape.h>
#include <stdio.h>
#include <stdlib.h>
#include <ogc/lwp_watchdog.h>
#include "data.h"
#include "wii_duk.h"
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const float MICROSECOND = 0.000001f;
extern const char * program;
static bool running = true;
static GRRLIB_ttfFont * font;
static unsigned int green = RGBA(0, 255, 0, 255);
static float deltatime = 1.0f/60;
static void duk_fatal_error(void *udata, const char *msg) {
const char * err_message_format = "an error has occured: %s";
size_t message_size = strlen(err_message_format) + strlen(msg) * sizeof(char *);
char * message = malloc(message_size);
snprintf(message, message_size, err_message_format, msg);
while (1) {
GRRLIB_PrintfTTF(0, 0, font, message, 12, green);
GRRLIB_Render();
}
}
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int main(int argc, char **argv) {
GRRLIB_Init();
PAD_Init();
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// get the pixel operator font's data pointer and size
void * pixel_operator_font;
size_t pixel_operator_font_size;
get_file_pointer("PixelOperator.ttf", &pixel_operator_font, &pixel_operator_font_size);
font = GRRLIB_LoadTTF(pixel_operator_font, pixel_operator_font_size);
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duk_context * ctx = duk_create_heap(NULL, NULL, NULL, NULL, duk_fatal_error);
// create a wii object on the global object (globalThis)
define_wii_object(ctx, font, &running, &deltatime);
duk_put_global_string(ctx, "wii");
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// evaluate functions from game.js
duk_eval_string_noresult(ctx, program);
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// call start function
duk_get_global_string(ctx, "start");
duk_call(ctx, 0);
duk_pop(ctx);
while (running) {
const unsigned int beginningOfFrame = ticks_to_microsecs(gettime());
PAD_ScanPads();
// call update function
duk_get_global_string(ctx, "update");
duk_call(ctx, 0);
duk_pop(ctx);
GRRLIB_Render();
const unsigned int endOfFrame = ticks_to_microsecs(gettime());
deltatime = (endOfFrame - beginningOfFrame) * MICROSECOND;
}
duk_destroy_heap(ctx);
GRRLIB_Exit();
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return 0;
}