first commit

Minecraft.Client/FireballRenderer.cpp

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+#include "stdafx.h"
+#include "FireballRenderer.h"
+#include "EntityRenderDispatcher.h"
+#include "..\Minecraft.World\net.minecraft.world.entity.projectile.h"
+#include "..\Minecraft.World\net.minecraft.world.item.h"
+#include "..\Minecraft.World\net.minecraft.world.level.tile.h"
+#include "..\Minecraft.World\net.minecraft.world.phys.h"
+#include "..\Minecraft.World\net.minecraft.world.h"
+
+FireballRenderer::FireballRenderer(float scale)
+{
+	this->scale = scale;
+}
+
+void FireballRenderer::render(shared_ptr<Entity> _fireball, double x, double y, double z, float rot, float a)
+{
+	// 4J - dynamic cast required because we aren't using templates/generics in our version
+	shared_ptr<Fireball> fireball = dynamic_pointer_cast<Fireball>(_fireball);
+
+    glPushMatrix();
+
+    glTranslatef((float) x, (float) y, (float) z);
+    glEnable(GL_RESCALE_NORMAL);
+    float s = scale;
+    glScalef(s / 1.0f, s / 1.0f, s / 1.0f);
+	Icon *icon = Item::fireball->getIcon(fireball->GetType()==eTYPE_DRAGON_FIREBALL?1:0);//14 + 2 * 16;
+	MemSect(31);
+    bindTexture(TN_GUI_ITEMS);	// 4J was L"/gui/items.png"
+	MemSect(0);
+    Tesselator *t = Tesselator::getInstance();
+
+    float u0 = icon->getU0();
+    float u1 = icon->getU1();
+    float v0 = icon->getV0();
+    float v1 = icon->getV1();
+
+    float r = 1.0f;
+    float xo = 0.5f;
+    float yo = 0.25f;
+
+    glRotatef(180 - entityRenderDispatcher->playerRotY, 0, 1, 0);
+    glRotatef(-entityRenderDispatcher->playerRotX, 1, 0, 0);
+    t->begin();
+    t->normal(0, 1, 0);
+    t->vertexUV((float)(0 - xo), (float)( 0 - yo), (float)( 0), (float)( u0), (float)( v1));
+    t->vertexUV((float)(r - xo), (float)( 0 - yo), (float)( 0), (float)( u1), (float)( v1));
+    t->vertexUV((float)(r - xo), (float)( 1 - yo), (float)( 0), (float)( u1), (float)( v0));
+    t->vertexUV((float)(0 - xo), (float)( 1 - yo), (float)( 0), (float)( u0), (float)( v0));
+    t->end();
+
+    glDisable(GL_RESCALE_NORMAL);
+    glPopMatrix();
+
+}
+
+// 4J Added override. Based on EntityRenderer::renderFlame
+void FireballRenderer::renderFlame(shared_ptr<Entity> e, double x, double y, double z, float a)
+{
+	glDisable(GL_LIGHTING);
+	Icon *tex = Tile::fire->getTextureLayer(0);
+
+    glPushMatrix();
+    glTranslatef((float) x, (float) y, (float) z);
+
+    float s = e->bbWidth * 1.4f;
+    glScalef(s, s, s);
+	MemSect(31);
+    bindTexture(TN_TERRAIN);	// 4J was L"/terrain.png"
+	MemSect(0);
+    Tesselator *t = Tesselator::getInstance();
+
+    float r = 1.0f;
+    float xo = 0.5f;
+//        float yo = 0.0f;
+
+    float h = e->bbHeight / s;
+    float yo = (float) (e->y - e->bb->y0);
+
+    //glRotatef(-entityRenderDispatcher->playerRotY, 0, 1, 0);
+
+	
+    glRotatef(180 - entityRenderDispatcher->playerRotY, 0, 1, 0);
+    glRotatef(-entityRenderDispatcher->playerRotX, 1, 0, 0);
+	glTranslatef(0,0,0.1f);
+    //glTranslatef(0, 0, -0.3f + ((int) h) * 0.02f);
+    glColor4f(1, 1, 1, 1);
+    // glRotatef(-playerRotX, 1, 0, 0);
+    float zo = 0;
+    t->begin();
+	t->normal(0, 1, 0);
+
+	float u0 = tex->getU0();
+	float v0 = tex->getV0();
+	float u1 = tex->getU1();
+	float v1 = tex->getV1();
+
+	float tmp = u1;
+	u1 = u0;
+	u0 = tmp;
+
+	t->vertexUV((float)(0 - xo), (float)( 0 - yo), (float)( 0), (float)( u1), (float)( v1));
+	t->vertexUV((float)(r - xo), (float)( 0 - yo), (float)( 0), (float)( u0), (float)( v1));
+	t->vertexUV((float)(r - xo), (float)( 1.4f - yo), (float)( 0), (float)( u0), (float)( v0));
+	t->vertexUV((float)(0 - xo), (float)( 1.4f - yo), (float)( 0), (float)( u1), (float)( v0));
+
+    t->end();
+    glPopMatrix();
+    glEnable(GL_LIGHTING);
+}