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Add particle animation, glow

Browse source 
This is implemented by reusing and extending the
TileAnimation code for the methods used by particles.
This commit is contained in:
sfan5 2017-01-14 16:48:49 +01:00
parent c5967f75f0
commit 7279f0b373
16 changed files with 311 additions and 78 deletions
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32
src/tileanimation.cpp
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@ -69,7 +69,8 @@ void TileAnimationParams::deSerialize(std::istream &is, u16 protocol_version)
}
}
void TileAnimationParams::determineParams(v2u32 texture_size, int *frame_count, int *frame_length_ms) const
void TileAnimationParams::determineParams(v2u32 texture_size, int *frame_count,
int *frame_length_ms, v2u32 *frame_size) const
{
if (type == TAT_VERTICAL_FRAMES) {
int frame_height = (float)texture_size.X /
@ -80,15 +81,17 @@ void TileAnimationParams::determineParams(v2u32 texture_size, int *frame_count,
*frame_count = _frame_count;
if (frame_length_ms)
*frame_length_ms = 1000.0 * vertical_frames.length / _frame_count;
if (frame_size)
*frame_size = v2u32(texture_size.X, frame_height);
} else if (type == TAT_SHEET_2D) {
if (frame_count)
*frame_count = sheet_2d.frames_w * sheet_2d.frames_h;
if (frame_length_ms)
*frame_length_ms = 1000 * sheet_2d.frame_length;
} else { // TAT_NONE
*frame_count = 1;
*frame_length_ms = 1000;
if (frame_size)
*frame_size = v2u32(texture_size.X / sheet_2d.frames_w, texture_size.Y / sheet_2d.frames_h);
}
// caller should check for TAT_NONE
}
void TileAnimationParams::getTextureModifer(std::ostream &os, v2u32 texture_size, int frame) const
@ -97,7 +100,7 @@ void TileAnimationParams::getTextureModifer(std::ostream &os, v2u32 texture_size
return;
if (type == TAT_VERTICAL_FRAMES) {
int frame_count;
determineParams(texture_size, &frame_count, NULL);
determineParams(texture_size, &frame_count, NULL, NULL);
os << "^[verticalframe:" << frame_count << ":" << frame;
} else if (type == TAT_SHEET_2D) {
int q, r;
@ -107,3 +110,22 @@ void TileAnimationParams::getTextureModifer(std::ostream &os, v2u32 texture_size
<< ":" << r << "," << q;
}
}
v2f TileAnimationParams::getTextureCoords(v2u32 texture_size, int frame) const
{
v2u32 ret(0, 0);
if (type == TAT_VERTICAL_FRAMES) {
int frame_height = (float)texture_size.X /
(float)vertical_frames.aspect_w *
(float)vertical_frames.aspect_h;
ret = v2u32(0, frame_height * frame);
} else if (type == TAT_SHEET_2D) {
v2u32 frame_size;
determineParams(texture_size, NULL, NULL, &frame_size);
int q, r;
q = frame / sheet_2d.frames_w;
r = frame % sheet_2d.frames_w;
ret = v2u32(r * frame_size.X, q * frame_size.Y);
}
return v2f(ret.X / (float) texture_size.X, ret.Y / (float) texture_size.Y);
}