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#include <math.h>
#include <SDL.h>
#include "init.h"
#include "logging.h"
#include "resources/image.h"
#include "resources/map.h"
#include "viewport.h"
#include "area.h"
#define DEMO() \
do { \
vp->x = x + map->tilewidth / 2 - vp->w / 2; \
vp->y = y + map->tileheight / 2 - vp->h / 2; \
render_area_to_viewport(a, vp); \
SDL_Flip(vp->screen); \
SDL_Delay(10); \
++i; \
} while (0)
int
main(void)
{
struct viewport *vp;
struct map *map;
struct area *a;
SDL_Color colors[256];
int i;
struct map_exit *e;
init();
vp = init_viewport(240, 160, 8);
map = map_get(MAPSDIR "/forest1-8bit.tmx");
if (map == NULL) {
map = map_get("data/maps/forest1-8bit.tmx");
}
if (map == NULL) {
err(1, "Where's the map, George?");
}
for (i = 0; i < 256; ++i) {
colors[i].r = (i % 8) * 36;
colors[i].g = (i % 64 / 8) * 36;
colors[i].b = (i / 64) * 85;
}
if (!SDL_SetPalette(vp->screen, SDL_LOGPAL, colors, 0, 256)) {
warn("Failed to set palette");
}
a = area_new(map, vp);
for (e = map->map_exits_head; e != NULL; e = e->next) {
debug("Map exit (size %dx%d) at (%d,%d) "
"to map %s (size %dx%d) at (%d,%d)",
e->width, e->height,
e->x, e->y,
e->target_map_name,
e->target_map->width, e->target_map->height,
e->target_x_coord, e->target_y_coord);
}
render_area_to_viewport(a, vp);
{
Uint32 t;
double x;
int y_start, y_end;
for (t = 0; t <= 2880; t += 5) {
for (i = 0; i < 256; ++i) {
/*
* t => [0 .. INF]
* t[0 .. 1440] => x[0, 3.14159]
* x = (t % 1440) * 3.14159 / 720
* y => [y_start, y_end]
* ((cos(x) + 1) / 2) => [0,1]
* y = ((cos(x) + 1) / 2) *
* (y_end - y_start) + y_start
*/
x = t % 1440;
x = x * 3.14159 / 720;
y_start = (i % 8) * 36;
y_end = y_start * 0.25;
colors[i].r = ((cos(x) + 1) / 2) *
(y_end - y_start) + y_start;
y_start = (i % 64 / 8) * 36;
y_end = y_start * 0.25;
colors[i].g = ((cos(x) + 1) / 2) *
(y_end - y_start) + y_start;
y_start = (i / 64) * 85;
y_end = y_start * 0.375;
colors[i].b = ((cos(x) + 1) / 2) *
(y_end - y_start) + y_start;
}
if (!SDL_SetPalette(vp->screen, SDL_LOGPAL, colors, 0, 256)) {
warn("Failed to set palette");
}
SDL_Flip(vp->screen);
SDL_Delay(10);
}
}
/* Demo */
for (i = 0; i < 256; ++i) {
colors[i].r = (i % 8) * 36;
colors[i].g = (i % 64 / 8) * 36;
colors[i].b = (i / 64) * 85;
}
if (!SDL_SetPalette(vp->screen, SDL_LOGPAL, colors, 0, 256)) {
warn("Failed to set palette");
}
{
Uint32 start, end;
int x, y;
i = 0;
start = SDL_GetTicks();
x = 19 * map->tilewidth ;
y = 38 * map->tileheight;
for (; y > 34 * map->tileheight; y -= 2) DEMO(); /* Up */
for (; x < 23 * map->tilewidth ; x += 2) DEMO(); /* Right */
for (; y > 16 * map->tileheight; y -= 2) DEMO(); /* Up */
for (; x > 15 * map->tilewidth ; x -= 2) DEMO(); /* Left */
for (; y < 25 * map->tileheight; y += 2) DEMO(); /* Down */
for (; x > 4 * map->tilewidth ; x -= 2) DEMO(); /* Left */
for (; y > 18 * map->tileheight; y -= 2) DEMO(); /* Up */
for (; x < 9 * map->tilewidth ; x += 2) DEMO(); /* Right */
for (; y > 5 * map->tileheight; y -= 2) DEMO(); /* Up */
for (; x < 15 * map->tilewidth ; x += 2) DEMO(); /* Right */
for (; y > 1 * map->tileheight; y -= 2) DEMO(); /* Up */
end = SDL_GetTicks();
debug("Rendered %d frames in %d milliseconds", i, end - start);
}
quit(0);
/* Control doesn't actually reach here. */
return 0;
}
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