nishbox/engine/gf_draw_common.c
2025-04-15 15:21:42 +09:00

120 lines
2.5 KiB
C

#define GF_EXPOSE_DRAW
#include <gf_pre.h>
/* External library */
#include <stb_image.h>
/* Interface */
#include <gf_draw.h>
/* Engine */
#include <gf_core.h>
#include <gf_log.h>
#include <gf_draw_platform.h>
#include <gf_draw_driver.h>
#include <gf_texture.h>
#include <gf_graphic.h>
#include <gf_gui.h>
/* Standard */
#include <stdlib.h>
#include <string.h>
#include <math.h>
void gf_draw_begin(void) { gf_draw_platform_begin(); }
void gf_draw_end(void) { gf_draw_platform_end(); }
gf_texture_t* test_texture;
gf_draw_t* gf_draw_create(gf_engine_t* engine, const char* title) {
gf_draw_t* draw = malloc(sizeof(*draw));
memset(draw, 0, sizeof(*draw));
draw->x = 0;
draw->y = 0;
draw->width = 640;
draw->height = 480;
draw->running = 0;
draw->draw_3d = 0;
strcpy(draw->title, title);
gf_draw_platform_create(draw);
if(draw->platform != NULL) {
gf_log_function(NULL, "Created drawing interface successfully", "");
gf_draw_driver_init(draw);
gf_draw_reshape(draw);
draw->running = 1;
draw->light[0] = 0.0;
draw->light[1] = 10.0;
draw->light[2] = 0.0;
draw->light[3] = 1.0;
draw->camera[0] = 0;
draw->camera[1] = 2;
draw->camera[2] = 2;
draw->lookat[0] = 0;
draw->lookat[1] = 0;
draw->lookat[2] = 0;
draw->gui = gf_gui_create(draw);
if(1) {
int w, h, c;
unsigned char* d = stbi_load("texture/test.bmp", &w, &h, &c, 4);
test_texture = gf_texture_register(draw, w, h, d);
free(d);
}
} else {
free(draw);
draw = NULL;
}
return draw;
}
void gf_draw_reshape(gf_draw_t* draw) { gf_draw_driver_reshape(draw); }
/* Runs every frame */
void gf_draw_frame(gf_draw_t* draw) {
gf_color_t color;
float z = 16;
color.r = color.g = color.b = color.a = 255;
if(draw->draw_3d) {
}
gf_graphic_draw_texture_polygon(draw, test_texture, color, GF_GRAPHIC_3D, 4,
/* clang-format off */
0.0, 0.0,
-1.0, 0.0, -1.0,
0.0, 1.0 * z,
-1.0, 0.0, 1.0,
1.0 * z, 1.0 * z,
1.0, 0.0, 1.0,
1.0 * z, 0.0,
1.0, 0.0, -1.0
/* clang-format on */
);
if(draw->draw != NULL) draw->draw(draw);
}
void gf_draw_set_draw(gf_draw_t* draw, void (*func)(gf_draw_t*)) { draw->draw = func; }
int gf_draw_step(gf_draw_t* draw) {
int ret = gf_draw_platform_step(draw);
if(ret != 0) return ret;
draw->close = 0;
return 0;
}
void gf_draw_destroy(gf_draw_t* draw) {
int i;
if(draw->running) {
gf_draw_driver_destroy(draw);
}
gf_draw_platform_destroy(draw);
gf_log_function(NULL, "Destroyed drawing interface", "");
}