From 8161ab573fd6f8a45b3986278ce7fc1596140526 Mon Sep 17 00:00:00 2001
From: Kahrl <kahrl@gmx.net>
Date: Mon, 24 Jun 2013 04:17:50 +0200
Subject: Remove texture atlas / AtlasPointer, rename getTextureRaw to
 getTexture

---
 src/particles.cpp | 60 ++++++++++++++++++++++++++++++++++---------------------
 1 file changed, 37 insertions(+), 23 deletions(-)

(limited to 'src/particles.cpp')

diff --git a/src/particles.cpp b/src/particles.cpp
index 1d814f619..88905d40d 100644
--- a/src/particles.cpp
+++ b/src/particles.cpp
@@ -57,7 +57,9 @@ Particle::Particle(
 	float expirationtime,
 	float size,
 	bool collisiondetection,
-	AtlasPointer ap
+	video::ITexture *texture,
+	v2f texpos,
+	v2f texsize
 ):
 	scene::ISceneNode(smgr->getRootSceneNode(), smgr)
 {
@@ -70,8 +72,9 @@ Particle::Particle(
 	m_material.setFlag(video::EMF_BILINEAR_FILTER, false);
 	m_material.setFlag(video::EMF_FOG_ENABLE, true);
 	m_material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
-	m_material.setTexture(0, ap.atlas);
-	m_ap = ap;
+	m_material.setTexture(0, texture);
+	m_texpos = texpos;
+	m_texsize = texsize;
 
 
 	// Particle related
@@ -180,14 +183,19 @@ void Particle::updateLight(ClientEnvironment &env)
 void Particle::updateVertices()
 {
 	video::SColor c(255, m_light, m_light, m_light);
+	f32 tx0 = m_texpos.X;
+	f32 tx1 = m_texpos.X + m_texsize.X;
+	f32 ty0 = m_texpos.Y;
+	f32 ty1 = m_texpos.Y + m_texsize.Y;
+
 	m_vertices[0] = video::S3DVertex(-m_size/2,-m_size/2,0, 0,0,0,
-			c, m_ap.x0(), m_ap.y1());
+			c, tx0, ty1);
 	m_vertices[1] = video::S3DVertex(m_size/2,-m_size/2,0, 0,0,0,
-			c, m_ap.x1(), m_ap.y1());
+			c, tx1, ty1);
 	m_vertices[2] = video::S3DVertex(m_size/2,m_size/2,0, 0,0,0,
-			c, m_ap.x1(), m_ap.y0());
+			c, tx1, ty0);
 	m_vertices[3] = video::S3DVertex(-m_size/2,m_size/2,0, 0,0,0,
-			c ,m_ap.x0(), m_ap.y0());
+			c, tx0, ty0);
 
 	for(u16 i=0; i<4; i++)
 	{
@@ -248,19 +256,19 @@ void addNodeParticle(IGameDef* gamedef, scene::ISceneManager* smgr,
 {
 	// Texture
 	u8 texid = myrand_range(0,5);
-	AtlasPointer ap = tiles[texid].texture;
-	float size = rand()%64/512.;
-	float visual_size = BS*size;
-	float texsize = size*2;
+	video::ITexture *texture = tiles[texid].texture;
 
-	float x1 = ap.x1();
-	float y1 = ap.y1();
+	// Only use first frame of animated texture
+	f32 ymax = 1;
+	if(tiles[texid].material_flags & MATERIAL_FLAG_ANIMATION_VERTICAL_FRAMES)
+		ymax /= tiles[texid].animation_frame_count;
 
-	ap.size.X = (ap.x1() - ap.x0()) * texsize;
-	ap.size.Y = (ap.x1() - ap.x0()) * texsize;
-
-	ap.pos.X = ap.x0() + (x1 - ap.x0()) * ((rand()%64)/64.-texsize);
-	ap.pos.Y = ap.y0() + (y1 - ap.y0()) * ((rand()%64)/64.-texsize);
+	float size = rand()%64/512.;
+	float visual_size = BS*size;
+	v2f texsize(size*2, ymax*size*2);
+	v2f texpos;
+	texpos.X = ((rand()%64)/64.-texsize.X);
+	texpos.Y = ymax*((rand()%64)/64.-texsize.Y);
 
 	// Physics
 	v3f velocity(	(rand()%100/50.-1)/1.5,
@@ -285,7 +293,9 @@ void addNodeParticle(IGameDef* gamedef, scene::ISceneManager* smgr,
 		rand()%100/100., // expiration time
 		visual_size,
 		true,
-		ap);
+		texture,
+		texpos,
+		texsize);
 }
 
 /*
@@ -296,7 +306,7 @@ ParticleSpawner::ParticleSpawner(IGameDef* gamedef, scene::ISceneManager *smgr,
 	u16 amount, float time,
 	v3f minpos, v3f maxpos, v3f minvel, v3f maxvel, v3f minacc, v3f maxacc,
 	float minexptime, float maxexptime, float minsize, float maxsize,
-	bool collisiondetection, AtlasPointer ap, u32 id)
+	bool collisiondetection, video::ITexture *texture, u32 id)
 {
 	m_gamedef = gamedef;
 	m_smgr = smgr;
@@ -314,7 +324,7 @@ ParticleSpawner::ParticleSpawner(IGameDef* gamedef, scene::ISceneManager *smgr,
 	m_minsize = minsize;
 	m_maxsize = maxsize;
 	m_collisiondetection = collisiondetection;
-	m_ap = ap;
+	m_texture = texture;
 	m_time = 0;
 
 	for (u16 i = 0; i<=m_amount; i++)
@@ -362,7 +372,9 @@ void ParticleSpawner::step(float dtime, ClientEnvironment &env)
 					exptime,
 					size,
 					m_collisiondetection,
-					m_ap);
+					m_texture,
+					v2f(0.0, 0.0),
+					v2f(1.0, 1.0));
 				m_spawntimes.erase(i);
 			}
 			else
@@ -398,7 +410,9 @@ void ParticleSpawner::step(float dtime, ClientEnvironment &env)
 					exptime,
 					size,
 					m_collisiondetection,
-					m_ap);
+					m_texture,
+					v2f(0.0, 0.0),
+					v2f(1.0, 1.0));
 			}
 		}
 	}
-- 
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