Files
minecraft-pe-0.6.1/src/client/renderer/entity/EntityRenderer.cpp

263 lines
7.5 KiB
C++
Executable File

#include "EntityRenderer.h"
#include "../Tesselator.h"
#include "../Textures.h"
#include "../gles.h"
#include "../../../world/phys/AABB.h"
#include "EntityRenderDispatcher.h"
#include "../../../util/Mth.h"
#include "../../../world/level/Level.h"
#include "../../../world/level/tile/Tile.h"
#include "../../Minecraft.h"
#include "../../Option.h"
#include "../Lighting.h"
EntityRenderDispatcher* EntityRenderer::entityRenderDispatcher = NULL;
EntityRenderer::EntityRenderer()
: shadowRadius(0),
shadowStrength(1.0f)
{}
void EntityRenderer::bindTexture(const std::string& resourceName) {
entityRenderDispatcher->textures->loadAndBindTexture(resourceName);
}
//bool bindTexture(std::string urlTexture, std::string backupTexture) {
// Textures t = entityRenderDispatcher.textures;
// int id = t.loadHttpTexture(urlTexture, backupTexture);
// if (id >= 0) {
// t.bind(id);
// return true;
// } else {
// return false;
// }
//}
/*static*/
void EntityRenderer::render(const AABB& bb, float xo, float yo, float zo) {
glDisable2(GL_TEXTURE_2D);
Tesselator& t = Tesselator::instance;
glColor4f2(1, 1, 1, 1);
t.begin();
t.offset(xo, yo, zo);
t.normal(0, 0, -1);
t.vertex(bb.x0, bb.y1, bb.z0);
t.vertex(bb.x1, bb.y1, bb.z0);
t.vertex(bb.x1, bb.y0, bb.z0);
t.vertex(bb.x0, bb.y0, bb.z0);
t.normal(0, 0, 1);
t.vertex(bb.x0, bb.y0, bb.z1);
t.vertex(bb.x1, bb.y0, bb.z1);
t.vertex(bb.x1, bb.y1, bb.z1);
t.vertex(bb.x0, bb.y1, bb.z1);
t.normal(0, -1, 0);
t.vertex(bb.x0, bb.y0, bb.z0);
t.vertex(bb.x1, bb.y0, bb.z0);
t.vertex(bb.x1, bb.y0, bb.z1);
t.vertex(bb.x0, bb.y0, bb.z1);
t.normal(0, 1, 0);
t.vertex(bb.x0, bb.y1, bb.z1);
t.vertex(bb.x1, bb.y1, bb.z1);
t.vertex(bb.x1, bb.y1, bb.z0);
t.vertex(bb.x0, bb.y1, bb.z0);
t.normal(-1, 0, 0);
t.vertex(bb.x0, bb.y0, bb.z1);
t.vertex(bb.x0, bb.y1, bb.z1);
t.vertex(bb.x0, bb.y1, bb.z0);
t.vertex(bb.x0, bb.y0, bb.z0);
t.normal(1, 0, 0);
t.vertex(bb.x1, bb.y0, bb.z0);
t.vertex(bb.x1, bb.y1, bb.z0);
t.vertex(bb.x1, bb.y1, bb.z1);
t.vertex(bb.x1, bb.y0, bb.z1);
t.offset(0, 0, 0);
t.draw();
glEnable2(GL_TEXTURE_2D);
// model.render(0, 1)
}
/*static*/
void EntityRenderer::renderFlat(const AABB& bb) {
Tesselator& t = Tesselator::instance;
t.begin();
t.vertex(bb.x0, bb.y1, bb.z0);
t.vertex(bb.x1, bb.y1, bb.z0);
t.vertex(bb.x1, bb.y0, bb.z0);
t.vertex(bb.x0, bb.y0, bb.z0);
t.vertex(bb.x0, bb.y0, bb.z1);
t.vertex(bb.x1, bb.y0, bb.z1);
t.vertex(bb.x1, bb.y1, bb.z1);
t.vertex(bb.x0, bb.y1, bb.z1);
t.vertex(bb.x0, bb.y0, bb.z0);
t.vertex(bb.x1, bb.y0, bb.z0);
t.vertex(bb.x1, bb.y0, bb.z1);
t.vertex(bb.x0, bb.y0, bb.z1);
t.vertex(bb.x0, bb.y1, bb.z1);
t.vertex(bb.x1, bb.y1, bb.z1);
t.vertex(bb.x1, bb.y1, bb.z0);
t.vertex(bb.x0, bb.y1, bb.z0);
t.vertex(bb.x0, bb.y0, bb.z1);
t.vertex(bb.x0, bb.y1, bb.z1);
t.vertex(bb.x0, bb.y1, bb.z0);
t.vertex(bb.x0, bb.y0, bb.z0);
t.vertex(bb.x1, bb.y0, bb.z0);
t.vertex(bb.x1, bb.y1, bb.z0);
t.vertex(bb.x1, bb.y1, bb.z1);
t.vertex(bb.x1, bb.y0, bb.z1);
t.draw();
}
void EntityRenderer::init(EntityRenderDispatcher* entityRenderDispatcher) {
this->entityRenderDispatcher = entityRenderDispatcher;
}
Font* EntityRenderer::getFont() {
return entityRenderDispatcher->getFont();
}
void EntityRenderer::postRender(Entity* entity, float x, float y, float z, float rot, float a) {
if (/*entityRenderDispatcher.options.fancyGraphics &&*/entityRenderDispatcher->minecraft->options.getBooleanValue(OPTIONS_FANCY_GRAPHICS) && shadowRadius > 0) {
float dist = entityRenderDispatcher->distanceToSqr(entity->x, entity->y, entity->z);
float pow = (float) ((1 - dist / (16.0f * 16.0f)) * shadowStrength);
if (pow > 0) {
renderShadow(entity, x, y, z, pow, a);
}
//}
if (entity->isOnFire()) renderFlame(entity, x, y, z, a);
}
}
void EntityRenderer::renderFlame(Entity* e, float x, float y, float z, float a) {
glDisable(GL_LIGHTING);
int tex = ((Tile*)Tile::fire)->tex;
int xt = (tex & 0xf) << 4;
int yt = tex & 0xf0;
float u0 = (xt) / 256.0f;
float u1 = (xt + 15.99f) / 256.0f;
float v0 = (yt) / 256.0f;
float v1 = (yt + 15.99f) / 256.0f;
glPushMatrix2();
glTranslatef2((float) x, (float) y, (float) z);
float s = e->bbWidth * 1.4f;
glScalef2(s, s, s);
bindTexture("terrain.png");
Tesselator& t = Tesselator::instance;
float r = 1.0f;
float xo = 0.5f;
float yo = 0.0f;
float h = e->bbHeight / e->bbWidth;
glRotatef2(-entityRenderDispatcher->playerRotY, 0, 1, 0);
glTranslatef2(0, 0, -0.4f + ((int) h) * 0.02f);
glColor4f2(1, 1, 1, 1);
// glRotatef2(-playerRotX, 1, 0, 0);
t.begin();
while (h > 0) {
t.vertexUV(r - xo, 0 - yo, 0, u1, v1);
t.vertexUV(0 - xo, 0 - yo, 0, u0, v1);
t.vertexUV(0 - xo, 1.4f - yo, 0, u0, v0);
t.vertexUV(r - xo, 1.4f - yo, 0, u1, v0);
h -= 1;
yo -= 1;
r *= 0.9f;
glTranslatef2(0, 0, -0.04f);
}
t.draw();
glPopMatrix2();
glEnable2(GL_LIGHTING);
}
void EntityRenderer::renderShadow(Entity* e, float x, float y, float z, float pow, float a) { //
glEnable2(GL_BLEND);
glBlendFunc2(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
//Textures* textures = entityRenderDispatcher->textures;
//textures->bind(textures->loadTexture("%clamp%/environment/shadow.png"));
Textures* textures = entityRenderDispatcher->textures;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
Level* level = getLevel();
glDepthMask(false);
float r = shadowRadius;
float ex = e->xOld + (e->x - e->xOld) * a;
float ey = e->yOld + (e->y - e->yOld) * a + e->getShadowHeightOffs();
float ez = e->zOld + (e->z - e->zOld) * a;
int x0 = Mth::floor(ex - r);
int x1 = Mth::floor(ex + r);
int y0 = Mth::floor(ey - r);
int y1 = Mth::floor(ey);
int z0 = Mth::floor(ez - r);
int z1 = Mth::floor(ez + r);
float xo = x - ex;
float yo = y - ey;
float zo = z - ez;
Tesselator& tt = Tesselator::instance;
tt.begin();
for (int xt = x0; xt <= x1; xt++)
for (int yt = y0; yt <= y1; yt++)
for (int zt = z0; zt <= z1; zt++) {
int t = level->getTile(xt, yt - 1, zt);
if (t > 0 && level->getRawBrightness(xt, yt, zt) > 3) {
renderTileShadow(Tile::tiles[t], x, y + e->getShadowHeightOffs(), z, xt, yt, zt, pow, r, xo, yo + e->getShadowHeightOffs(), zo);
}
}
textures->loadAndBindTexture(("/misc/shadow.png"));
tt.draw();
glColor4f2(1, 1, 1, 1);
glDisable2(GL_BLEND);
glDepthMask(true);
}
Level* EntityRenderer::getLevel() {
return entityRenderDispatcher->level;
}
void EntityRenderer::renderTileShadow(Tile* tt, float x, float y, float z, int xt, int yt, int zt, float pow, float r, float xo, float yo, float zo) {
Tesselator& t = Tesselator::instance;
if (!tt->isCubeShaped()) return;
float a = ((pow - (y - (yt + yo)) / 2) * 0.5f) * getLevel()->getBrightness(xt, yt, zt);
if (a < 0) return;
if (a > 1) a = 1;
// t.color(1, 1, 1, (float) a);
glColor4f2(1, 1, 1, (float) a);
float x0 = xt + tt->xx0 + xo;
float x1 = xt + tt->xx1 + xo;
float y0 = yt + tt->yy0 + yo + 1.0 / 64.0f;
float z0 = zt + tt->zz0 + zo;
float z1 = zt + tt->zz1 + zo;
float u0 = (float) ((x - (x0)) / 2 / r + 0.5f);
float u1 = (float) ((x - (x1)) / 2 / r + 0.5f);
float v0 = (float) ((z - (z0)) / 2 / r + 0.5f);
float v1 = (float) ((z - (z1)) / 2 / r + 0.5f);
t.vertexUV(x0, y0, z0, u0, v0);
t.vertexUV(x0, y0, z1, u0, v1);
t.vertexUV(x1, y0, z1, u1, v1);
t.vertexUV(x1, y0, z0, u1, v0);
}