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Node texture animation

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This commit is contained in:
Perttu Ahola 2012-06-16 03:40:45 +03:00
parent f0678979b1
commit fd1135c7af
16 changed files with 421 additions and 82 deletions
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54
src/mapblock_mesh.cpp
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@ -27,6 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "gamedef.h"
#include "mesh.h"
#include "content_mapblock.h"
#include "noise.h"
/*
MeshMakeData
@ -559,6 +560,11 @@ TileSpec getNodeTileN(MapNode mn, v3s16 p, u8 tileindex, MeshMakeData *data)
spec.material_flags |= MATERIAL_FLAG_CRACK;
spec.texture = data->m_gamedef->tsrc()->getTextureRawAP(spec.texture);
}
// If animated, replace tile texture with one without texture atlas
if(spec.material_flags & MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES)
{
spec.texture = data->m_gamedef->tsrc()->getTextureRawAP(spec.texture);
}
return spec;
}
@ -983,6 +989,23 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data):
crack_basename += "^[crack";
m_crack_materials.insert(std::make_pair(i, crack_basename));
}
// - Texture animation
if(p.tile.material_flags & MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES)
{
ITextureSource *tsrc = data->m_gamedef->tsrc();
// Add to MapBlockMesh in order to animate these tiles
m_animation_tiles[i] = p.tile;
m_animation_frames[i] = 0;
// Get starting position from noise
m_animation_frame_offsets[i] = 100000 * (2.0 + noise3d(
data->m_blockpos.X, data->m_blockpos.Y,
data->m_blockpos.Z, 0));
// Replace tile texture with the first animation frame
std::ostringstream os(std::ios::binary);
os<<tsrc->getTextureName(p.tile.texture.id);
os<<"^[verticalframe:"<<(int)p.tile.animation_frame_count<<":0";
p.tile.texture = tsrc->getTexture(os.str());
}
// - Lighting
for(u32 j = 0; j < p.vertices.size(); j++)
{
@ -1055,7 +1078,8 @@ MapBlockMesh::MapBlockMesh(MeshMakeData *data):
// Check if animation is required for this mesh
m_has_animation =
!m_crack_materials.empty() ||
!m_daynight_diffs.empty();
!m_daynight_diffs.empty() ||
!m_animation_tiles.empty();
}
MapBlockMesh::~MapBlockMesh()
@ -1094,6 +1118,34 @@ bool MapBlockMesh::animate(bool faraway, float time, int crack, u32 daynight_rat
m_last_crack = crack;
}
// Texture animation
for(std::map<u32, TileSpec>::iterator
i = m_animation_tiles.begin();
i != m_animation_tiles.end(); i++)
{
const TileSpec &tile = i->second;
// Figure out current frame
int frameoffset = m_animation_frame_offsets[i->first];
int frame = (int)(time * 1000 / tile.animation_frame_length_ms
+ frameoffset) % tile.animation_frame_count;
// If frame doesn't change, skip
if(frame == m_animation_frames[i->first])
continue;
m_animation_frames[i->first] = frame;
scene::IMeshBuffer *buf = m_mesh->getMeshBuffer(i->first);
ITextureSource *tsrc = m_gamedef->getTextureSource();
// Create new texture name from original
std::ostringstream os(std::ios::binary);
os<<tsrc->getTextureName(tile.texture.id);
os<<"^[verticalframe:"<<(int)tile.animation_frame_count<<":"<<frame;
// Set the texture
AtlasPointer ap = tsrc->getTexture(os.str());
buf->getMaterial().setTexture(0, ap.atlas);
}
// Day-night transition
if(daynight_ratio != m_last_daynight_ratio)