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VERY stupid fix allowing the engine to run at 60fps

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This commit is contained in:
Lucas S. Vieira 2024-08-04 17:09:29 -03:00
parent f2590cf202
commit 956b6d1d27
1 changed files with 15 additions and 0 deletions
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15
src/level.c
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@ -4,6 +4,12 @@
#include "util.h"
#include "render.h"
#define TILECLIP(sz) \
{ \
if(vx <= -sz || vy <= -sz || vx >= SCREEN_XRES + sz || vy >= SCREEN_YRES + sz) \
return;\
}
void
_load_collision(TileMap16 *mapping, const char *filename)
{
@ -149,6 +155,9 @@ _render_8(
int16_t vx, int16_t vy, int16_t otz,
uint16_t frame)
{
// Clipping
TILECLIP(8);
uint16_t
v0_idx = frame >> 5,
u0_idx = frame - (v0_idx << 5);
@ -172,6 +181,9 @@ _render_16(
int16_t vx, int16_t vy, int16_t otz,
uint16_t frame)
{
// Clipping
TILECLIP(16);
// Frames per tile: 2 * 2 = 4
uint16_t *tileframes = &map16->frames[frame << 2];
for(int16_t idx = 0; idx < 4; idx++) {
@ -210,6 +222,9 @@ _render_128(
int16_t vx, int16_t vy, int16_t otz,
uint16_t frame)
{
// Clipping
TILECLIP(128);
// 128x128 has 8x8 tiles of 16x16.
// Since this is a constant, we will then write the optimized code
// just like _render_16.