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post-processing test

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This commit is contained in:
MihailRis
2024-03-08 21:49:38 +03:00
parent e7af5830cf
commit 8ed65ca51e
13 changed files with 268 additions and 113 deletions
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src/frontend/WorldRenderer.cpp
+115 -95
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@@ -14,6 +14,7 @@
#include "../graphics/Batch3D.h"
#include "../graphics/Texture.h"
#include "../graphics/LineBatch.h"
#include "../graphics/PostProcessing.h"
#include "../voxels/Chunks.h"
#include "../voxels/Chunk.h"
#include "../voxels/Block.h"
@@ -39,6 +40,7 @@ WorldRenderer::WorldRenderer(Engine* engine, LevelFrontend* frontend, Player* pl
level(frontend->getLevel()),
player(player)
{
postProcessing = std::make_unique<PostProcessing>();
frustumCulling = std::make_unique<Frustum>();
lineBatch = std::make_unique<LineBatch>();
renderer = std::make_unique<ChunksRenderer>(
@@ -139,8 +141,6 @@ void WorldRenderer::drawChunks(Chunks* chunks, Camera* camera, Shader* shader) {
void WorldRenderer::draw(const GfxContext& pctx, Camera* camera, bool hudVisible){
EngineSettings& settings = engine->getSettings();
Window::clearDepth();
skybox->refresh(pctx, level->world->daytime, 1.0f+fog*2.0f, 4);
const Content* content = level->content;
@@ -153,116 +153,136 @@ void WorldRenderer::draw(const GfxContext& pctx, Camera* camera, bool hudVisible
const Viewport& viewport = pctx.getViewport();
int displayWidth = viewport.getWidth();
int displayHeight = viewport.getHeight();
// Drawing background sky plane
skybox->draw(pctx, camera, assets, level->getWorld()->daytime, fog);
// Actually world render with depth buffer on
// World render scope with diegetic HUD included
{
GfxContext ctx = pctx.sub();
ctx.setDepthTest(true);
ctx.setCullFace(true);
GfxContext wctx = pctx.sub();
postProcessing->use(wctx);
float fogFactor = 15.0f / ((float)settings.chunks.loadDistance-2);
Window::clearDepth();
// Setting up main shader
shader->use();
shader->uniformMatrix("u_proj", camera->getProjection());
shader->uniformMatrix("u_view", camera->getView());
shader->uniform1f("u_gamma", settings.graphics.gamma);
shader->uniform1f("u_fogFactor", fogFactor);
shader->uniform1f("u_fogCurve", settings.graphics.fogCurve);
shader->uniform1f("u_dayTime", level->world->daytime);
shader->uniform3f("u_cameraPos", camera->position);
shader->uniform1i("u_cubemap", 1);
// Light emission when an emissive item is chosen
// Drawing background sky plane
skybox->draw(pctx, camera, assets, level->getWorld()->daytime, fog);
// Actually world render with depth buffer on
{
auto inventory = player->getInventory();
ItemStack& stack = inventory->getSlot(player->getChosenSlot());
auto item = indices->getItemDef(stack.getItemId());
float multiplier = 0.5f;
shader->uniform3f("u_torchlightColor",
item->emission[0] / 15.0f * multiplier,
item->emission[1] / 15.0f * multiplier,
item->emission[2] / 15.0f * multiplier
);
shader->uniform1f("u_torchlightDistance", 6.0f);
GfxContext ctx = wctx.sub();
ctx.setDepthTest(true);
ctx.setCullFace(true);
float fogFactor = 15.0f / ((float)settings.chunks.loadDistance-2);
// Setting up main shader
shader->use();
shader->uniformMatrix("u_proj", camera->getProjection());
shader->uniformMatrix("u_view", camera->getView());
shader->uniform1f("u_gamma", settings.graphics.gamma);
shader->uniform1f("u_fogFactor", fogFactor);
shader->uniform1f("u_fogCurve", settings.graphics.fogCurve);
shader->uniform1f("u_dayTime", level->world->daytime);
shader->uniform3f("u_cameraPos", camera->position);
shader->uniform1i("u_cubemap", 1);
// Light emission when an emissive item is chosen
{
auto inventory = player->getInventory();
ItemStack& stack = inventory->getSlot(player->getChosenSlot());
auto item = indices->getItemDef(stack.getItemId());
float multiplier = 0.5f;
shader->uniform3f("u_torchlightColor",
item->emission[0] / 15.0f * multiplier,
item->emission[1] / 15.0f * multiplier,
item->emission[2] / 15.0f * multiplier
);
shader->uniform1f("u_torchlightDistance", 6.0f);
}
// Binding main shader textures
skybox->bind();
atlas->getTexture()->bind();
drawChunks(level->chunks.get(), camera, shader);
// Selected block
if (PlayerController::selectedBlockId != -1 && hudVisible){
blockid_t id = PlayerController::selectedBlockId;
auto block = indices->getBlockDef(id);
const glm::vec3 pos = PlayerController::selectedBlockPosition;
const glm::vec3 point = PlayerController::selectedPointPosition;
const glm::vec3 norm = PlayerController::selectedBlockNormal;
std::vector<AABB>& hitboxes = block->rotatable
? block->rt.hitboxes[PlayerController::selectedBlockStates]
: block->hitboxes;
linesShader->use();
linesShader->uniformMatrix("u_projview", camera->getProjView());
lineBatch->lineWidth(2.0f);
for (auto& hitbox: hitboxes) {
const glm::vec3 center = pos + hitbox.center();
const glm::vec3 size = hitbox.size();
lineBatch->box(center, size + glm::vec3(0.02), glm::vec4(0.f, 0.f, 0.f, 0.5f));
if (player->debug) {
lineBatch->line(point, point+norm*0.5f, glm::vec4(1.0f, 0.0f, 1.0f, 1.0f));
}
}
lineBatch->render();
}
skybox->unbind();
}
// Binding main shader textures
skybox->bind();
atlas->getTexture()->bind();
drawChunks(level->chunks.get(), camera, shader);
// Selected block
if (PlayerController::selectedBlockId != -1 && hudVisible){
blockid_t id = PlayerController::selectedBlockId;
auto block = indices->getBlockDef(id);
const glm::vec3 pos = PlayerController::selectedBlockPosition;
const glm::vec3 point = PlayerController::selectedPointPosition;
const glm::vec3 norm = PlayerController::selectedBlockNormal;
std::vector<AABB>& hitboxes = block->rotatable
? block->rt.hitboxes[PlayerController::selectedBlockStates]
: block->hitboxes;
if (hudVisible && player->debug) {
GfxContext ctx = pctx.sub();
ctx.setDepthTest(true);
linesShader->use();
linesShader->uniformMatrix("u_projview", camera->getProjView());
lineBatch->lineWidth(2.0f);
for (auto& hitbox: hitboxes) {
const glm::vec3 center = pos + hitbox.center();
const glm::vec3 size = hitbox.size();
lineBatch->box(center, size + glm::vec3(0.02), glm::vec4(0.f, 0.f, 0.f, 0.5f));
if (player->debug) {
lineBatch->line(point, point+norm*0.5f, glm::vec4(1.0f, 0.0f, 1.0f, 1.0f));
}
if (settings.debug.showChunkBorders){
linesShader->uniformMatrix("u_projview", camera->getProjView());
glm::vec3 coord = player->camera->position;
if (coord.x < 0) coord.x--;
if (coord.z < 0) coord.z--;
int cx = floordiv((int)coord.x, CHUNK_W);
int cz = floordiv((int)coord.z, CHUNK_D);
drawBorders(cx * CHUNK_W, 0, cz * CHUNK_D,
(cx + 1) * CHUNK_W, CHUNK_H, (cz + 1) * CHUNK_D);
}
float length = 40.f;
glm::vec3 tsl(displayWidth/2, displayHeight/2, 0.f);
glm::mat4 model(glm::translate(glm::mat4(1.f), tsl));
linesShader->uniformMatrix("u_projview", glm::ortho(
0.f, (float)displayWidth,
0.f, (float)displayHeight,
-length, length) * model * glm::inverse(camera->rotation));
ctx.setDepthTest(false);
lineBatch->lineWidth(4.0f);
lineBatch->line(0.f, 0.f, 0.f, length, 0.f, 0.f, 0.f, 0.f, 0.f, 1.f);
lineBatch->line(0.f, 0.f, 0.f, 0.f, length, 0.f, 0.f, 0.f, 0.f, 1.f);
lineBatch->line(0.f, 0.f, 0.f, 0.f, 0.f, length, 0.f, 0.f, 0.f, 1.f);
lineBatch->render();
ctx.setDepthTest(true);
lineBatch->lineWidth(2.0f);
lineBatch->line(0.f, 0.f, 0.f, length, 0.f, 0.f, 1.f, 0.f, 0.f, 1.f);
lineBatch->line(0.f, 0.f, 0.f, 0.f, length, 0.f, 0.f, 1.f, 0.f, 1.f);
lineBatch->line(0.f, 0.f, 0.f, 0.f, 0.f, length, 0.f, 0.f, 1.f, 1.f);
lineBatch->render();
}
skybox->unbind();
}
if (hudVisible && player->debug) {
{
GfxContext ctx = pctx.sub();
ctx.setDepthTest(true);
linesShader->use();
if (settings.debug.showChunkBorders){
linesShader->uniformMatrix("u_projview", camera->getProjView());
glm::vec3 coord = player->camera->position;
if (coord.x < 0) coord.x--;
if (coord.z < 0) coord.z--;
int cx = floordiv((int)coord.x, CHUNK_W);
int cz = floordiv((int)coord.z, CHUNK_D);
drawBorders(cx * CHUNK_W, 0, cz * CHUNK_D,
(cx + 1) * CHUNK_W, CHUNK_H, (cz + 1) * CHUNK_D);
}
float length = 40.f;
glm::vec3 tsl(displayWidth/2, displayHeight/2, 0.f);
glm::mat4 model(glm::translate(glm::mat4(1.f), tsl));
linesShader->uniformMatrix("u_projview", glm::ortho(
0.f, (float)displayWidth,
0.f, (float)displayHeight,
-length, length) * model * glm::inverse(camera->rotation));
ctx.setDepthTest(false);
lineBatch->lineWidth(4.0f);
lineBatch->line(0.f, 0.f, 0.f, length, 0.f, 0.f, 0.f, 0.f, 0.f, 1.f);
lineBatch->line(0.f, 0.f, 0.f, 0.f, length, 0.f, 0.f, 0.f, 0.f, 1.f);
lineBatch->line(0.f, 0.f, 0.f, 0.f, 0.f, length, 0.f, 0.f, 0.f, 1.f);
lineBatch->render();
auto shader = assets->getShader("screen");
shader->use();
shader->uniform1f("u_timer", Window::time());
shader->uniform1f("u_dayTime", level->world->daytime);
ctx.setDepthTest(true);
lineBatch->lineWidth(2.0f);
lineBatch->line(0.f, 0.f, 0.f, length, 0.f, 0.f, 1.f, 0.f, 0.f, 1.f);
lineBatch->line(0.f, 0.f, 0.f, 0.f, length, 0.f, 0.f, 1.f, 0.f, 1.f);
lineBatch->line(0.f, 0.f, 0.f, 0.f, 0.f, length, 0.f, 0.f, 1.f, 1.f);
lineBatch->render();
postProcessing->render(ctx, shader);
}
}