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Change particle 'can pass through' to callback function instead of bool for passing through liquids

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This commit is contained in:
UnknownShadow200 2020-02-27 17:22:27 +11:00
parent 7d47425526
commit 3662056c25
1 changed files with 20 additions and 10 deletions
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30
src/Particle.c
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@ -19,6 +19,7 @@ static GfxResourceID Particles_TexId, Particles_VB;
#define PARTICLES_MAX 600
static RNGState rnd;
static cc_bool particle_hitTerrain;
typedef cc_bool (*CanPassThroughFunc)(BlockID b);
void Particle_DoRender(const Vec2* size, const Vec3* pos, const TextureRec* rec, PackedCol col, VertexP3fT2fC4b* v) {
struct Matrix* view;
@ -60,7 +61,7 @@ static BlockID Particle_GetBlock(int x, int y, int z) {
return Env.SidesBlock;
}
static cc_bool Particle_TestY(struct Particle* p, int y, cc_bool topFace, cc_bool throughLiquids) {
static cc_bool Particle_TestY(struct Particle* p, int y, cc_bool topFace, CanPassThroughFunc canPassThrough) {
BlockID block;
Vec3 minBB, maxBB;
float collideY;
@ -76,7 +77,7 @@ static cc_bool Particle_TestY(struct Particle* p, int y, cc_bool topFace, cc_boo
}
block = Particle_GetBlock((int)p->nextPos.X, y, (int)p->nextPos.Z);
if (Particle_CanPass(block, throughLiquids)) return true;
if (canPassThrough(block)) return true;
minBB = Blocks.MinBB[block]; maxBB = Blocks.MaxBB[block];
collideY = y + (topFace ? maxBB.Y : minBB.Y);
@ -94,7 +95,7 @@ static cc_bool Particle_TestY(struct Particle* p, int y, cc_bool topFace, cc_boo
return true;
}
static cc_bool Particle_PhysicsTick(struct Particle* p, float gravity, cc_bool throughLiquids, double delta) {
static cc_bool Particle_PhysicsTick(struct Particle* p, float gravity, CanPassThroughFunc canPassThrough, double delta) {
BlockID cur;
float minY, maxY;
Vec3 velocity;
@ -105,8 +106,7 @@ static cc_bool Particle_PhysicsTick(struct Particle* p, float gravity, cc_bool t
minY = Math_Floor(p->nextPos.Y) + Blocks.MinBB[cur].Y;
maxY = Math_Floor(p->nextPos.Y) + Blocks.MaxBB[cur].Y;
if (!Particle_CanPass(cur, throughLiquids) && p->nextPos.Y >= minY
&& p->nextPos.Y < maxY && Particle_CollideHor(&p->nextPos, cur)) {
if (!canPassThrough(cur) && p->nextPos.Y >= minY && p->nextPos.Y < maxY && Particle_CollideHor(&p->nextPos, cur)) {
return true;
}
@ -119,9 +119,9 @@ static cc_bool Particle_PhysicsTick(struct Particle* p, float gravity, cc_bool t
if (p->velocity.Y > 0.0f) {
/* don't test block we are already in */
for (y = begY + 1; y <= endY && Particle_TestY(p, y, false, throughLiquids); y++) {}
for (y = begY + 1; y <= endY && Particle_TestY(p, y, false, canPassThrough); y++) {}
} else {
for (y = begY; y >= endY && Particle_TestY(p, y, true, throughLiquids); y--) {}
for (y = begY; y >= endY && Particle_TestY(p, y, true, canPassThrough); y--) {}
}
p->lifetime -= (float)delta;
@ -136,9 +136,14 @@ static struct Particle rain_Particles[PARTICLES_MAX];
static int rain_count;
static TextureRec rain_rec = { 2.0f/128.0f, 14.0f/128.0f, 5.0f/128.0f, 16.0f/128.0f };
static cc_bool RainParticle_CanPass(BlockID block) {
cc_uint8 draw = Blocks.Draw[block];
return draw == DRAW_GAS || draw == DRAW_SPRITE;
}
static cc_bool RainParticle_Tick(struct Particle* p, double delta) {
particle_hitTerrain = false;
return Particle_PhysicsTick(p, 3.5f, false, delta) || particle_hitTerrain;
return Particle_PhysicsTick(p, 3.5f, RainParticle_CanPass, delta) || particle_hitTerrain;
}
static void RainParticle_Render(struct Particle* p, float t, VertexP3fT2fC4b* vertices) {
@ -203,8 +208,13 @@ static int terrain_count;
static cc_uint16 terrain_1DCount[ATLAS1D_MAX_ATLASES];
static cc_uint16 terrain_1DIndices[ATLAS1D_MAX_ATLASES];
static cc_bool TerrainParticle_CanPass(BlockID block) {
cc_uint8 draw = Blocks.Draw[block];
return draw == DRAW_GAS || draw == DRAW_SPRITE || Blocks.IsLiquid[block];
}
static cc_bool TerrainParticle_Tick(struct TerrainParticle* p, double delta) {
return Particle_PhysicsTick(&p->base, 5.4f, true, delta);
return Particle_PhysicsTick(&p->base, 5.4f, TerrainParticle_CanPass, delta);
}
static void TerrainParticle_Render(struct TerrainParticle* p, float t, VertexP3fT2fC4b* vertices) {
@ -302,7 +312,7 @@ static cc_bool CustomParticle_Tick(struct CustomParticle* p, double delta) {
struct CustomParticleEffect* e = &Particles_CustomEffects[p->effectId];
particle_hitTerrain = false;
return Particle_PhysicsTick(&p->base, e->gravity, false, delta)
return Particle_PhysicsTick(&p->base, e->gravity, RainParticle_CanPass, delta)
|| (particle_hitTerrain && e->expireUponTouchingGround);
}