nishbox/engine/nb_draw.c
2025-04-03 22:21:09 +09:00

81 lines
1.7 KiB
C

#define NB_EXPOSE_DRAW
#include <nb_pre.h>
/* External library */
/* Interface */
#include <nb_draw.h>
/* NishBox */
#include <nb_log.h>
#include <nb_draw_platform.h>
#include <nb_draw_driver.h>
#include <nb_graphic.h>
/* Standard */
#include <stdlib.h>
#include <string.h>
#include <math.h>
void nb_draw_begin(void) { nb_draw_platform_begin(); }
void nb_draw_end(void) { nb_draw_platform_end(); }
nb_draw_t* nb_draw_create(void) {
nb_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;
nb_draw_platform_create(draw);
if(draw->platform != NULL) {
nb_function_log("Created drawing interface successfully", "");
nb_draw_driver_init(draw);
nb_draw_reshape(draw);
draw->running = 1;
draw->light[0] = 10.0;
draw->light[1] = 10.0;
draw->light[2] = 0.0;
draw->light[3] = 1.0;
draw->camera[0] = 0;
draw->camera[1] = 10;
draw->camera[2] = 0;
draw->lookat[0] = 0;
draw->lookat[1] = 0;
draw->lookat[2] = 0;
}
return draw;
}
void nb_draw_reshape(nb_draw_t* draw) { nb_draw_driver_reshape(draw); }
/* Runs every frame */
void nb_draw_frame(nb_draw_t* draw) {
nb_graphic_text(draw, 0, 0, 32, "test text", 255, 0, 0, 128);
nb_graphic_text(draw, 8, 8, 32, "test text", 0, 255, 0, 128);
nb_graphic_text(draw, 16, 16, 32, "test text", 0, 0, 255, 128);
}
int nb_draw_step(nb_draw_t* draw) {
int ret = nb_draw_platform_step(draw);
if(ret != 0) return ret;
draw->close = 0;
return 0;
}
void nb_draw_destroy(nb_draw_t* draw) {
int i;
if(draw->running) {
nb_draw_driver_destroy(draw);
}
nb_draw_platform_destroy(draw);
nb_function_log("Destroyed drawing interface", "");
}