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Added smoke when driving. Removed chasers for now.

This commit is contained in:
Truls Alexander Tangstad 2005-11-26 19:00:33 +00:00
parent c546f29ff4
commit e93a967cb0
3 changed files with 46 additions and 14 deletions
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gba/cartest/data/smoke.bin Normal file
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gba/cartest/data/smoke.xcf Normal file
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60
gba/cartest/src/cartest.c
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@ -14,8 +14,7 @@
// headers for binary data generated by bin2o macro in makefile
#include "car_pal_bin.h"
#include "car_bin.h"
#include "chaser_bin.h"
#include "smoke_bin.h"
#include "sinlut.h"
@ -30,11 +29,12 @@ typedef s32 FIXED; // 32bit FIXED in 24.8 format
#define lut_cos(x) _sinLUT[(x + (SIN_SIZE>>2)) & SIN_MASK]
#define NUMCHASERS 10
#define NUMSMOKES 20
u16 PaletteBuffer[256];
OBJATTR oe_buffer[1+NUMCHASERS];
OBJATTR oe_buffer[1+NUMSMOKES];
OBJAFFINE *const oa_buffer = (OBJAFFINE*)oe_buffer;
s8 smoke_frame[NUMSMOKES];
unsigned int frame;
@ -48,8 +48,8 @@ int main(void)
{
OBJATTR*car = &oe_buffer[0];
OBJAFFINE*car_aff = &oa_buffer[0];
// We'll make a few chasers
OBJATTR*chasers = &oe_buffer[1];
// We'll make a few smoke clouds
OBJATTR*smokes = &oe_buffer[1];
// Set up the interrupt handlers
InitInterrupt();
@ -72,20 +72,23 @@ int main(void)
void* free_space = BITMAP_OBJ_BASE_ADR;
CpuFastSet(car_bin, free_space, COPY32 | car_bin_size/4);
free_space += car_bin_size;
CpuFastSet(chaser_bin, free_space, COPY32 | chaser_bin_size/4);
free_space += chaser_bin_size;
CpuFastSet(car_pal_bin, OBJ_COLORS, COPY32 | car_pal_bin_size/4);
// load smoke
CpuFastSet(smoke_bin, free_space, COPY32 | smoke_bin_size/4);
free_space += smoke_bin_size;
car->attr2 = OBJ_CHAR(512);
s32 base = (s32)(0.707106781 * 256);
s32 one = 1 << 8;
u8 next_smoke = 0;
u8 i;
for (i=0; i<NUMCHASERS; i++) {
chasers[i].attr2 = OBJ_CHAR(520);
chasers[i].attr1 = OBJ_X(20+(i*10));
chasers[i].attr0 = OBJ_256_COLOR | OBJ_DOUBLE | OBJ_ROT_SCALE_ON | OBJ_Y(40);
for (i=0; i<NUMSMOKES; i++) {
smokes[i].attr1 = OBJ_X(20+(i*10));
smokes[i].attr0 = OBJ_256_COLOR | OBJ_Y(40);
// 6 == off
smoke_frame[i] = 6;
}
FIXED x = INT2FIX(112);
@ -157,6 +160,35 @@ int main(void)
car->attr1 = OBJ_SIZE(1) | OBJ_X(FIX2INT(x));
car->attr0 = OBJ_256_COLOR | OBJ_DOUBLE | OBJ_ROT_SCALE_ON | OBJ_Y(FIX2INT(y));
// Update smoke cloud frames
if ((frame & 3) == 3) {
for (i=0; i<NUMSMOKES; i++) {
if (smoke_frame[i] < 6) {
smoke_frame[i] += 1;
}
}
}
// place a new smoke cloud after car if driving
// forwards
if ((speed!=0) && ((frame & 1) == 1)) {
for (i=0; i<NUMSMOKES; i++) {
if (smoke_frame[i] == 6) {
smoke_frame[i] = 0;
smokes[i].attr1 = OBJ_X(FIX2INT(x)+12);
smokes[i].attr0 = OBJ_256_COLOR | OBJ_Y(FIX2INT(y)+12);
break;
}
}
}
next_smoke += 1;
if (next_smoke>=NUMSMOKES) {
next_smoke = 1;
}
for (i=0; i<NUMSMOKES; i++)
smokes[i].attr2 = OBJ_CHAR(520 + 2*smoke_frame[i]);
VBlankIntrWait();
CpuFastSet(oe_buffer, OAM, COPY32 | sizeof(oe_buffer)/4);
}