92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
// Copyright (c) 2023 Dominic Masters
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//
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// This software is released under the MIT License.
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// https://opensource.org/licenses/MIT
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#include "SimpleRenderTargetQuad.hpp"
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using namespace Dawn;
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SimpleRenderTargetQuad::SimpleRenderTargetQuad(SceneItem *i) :
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SceneItemComponent(i),
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renderTarget(nullptr)
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{
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}
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void SimpleRenderTargetQuad::onRenderTargetResized(
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RenderTarget *target, float_t w, float_t h
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) {
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assertTrue(target == this->renderTarget);
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QuadMesh::bufferQuadMesh(
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&this->meshHost->mesh,
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glm::vec2(0, 0), glm::vec2(0, 0),
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glm::vec2(
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((RenderTarget*)this->renderTarget)->getWidth(),
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((RenderTarget*)this->renderTarget)->getHeight()
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),
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glm::vec2(1, 1),
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0, 0
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);
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}
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std::vector<SceneItemComponent*> SimpleRenderTargetQuad::getDependencies() {
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return std::vector<SceneItemComponent*>{
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(this->meshHost = this->item->getComponent<MeshHost>())
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};
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}
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void SimpleRenderTargetQuad::onStart() {
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assertNotNull(this->meshHost);
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// Create quad mesh
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this->meshHost->mesh.createBuffers(QUAD_VERTICE_COUNT, QUAD_INDICE_COUNT);
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useEffect(this->renderTarget, [&]{
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if(this->renderTarget.previous != nullptr) {
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this->renderTarget.previous->eventRenderTargetResized.addListener(
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this, &SimpleRenderTargetQuad::onRenderTargetResized
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);
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}
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if(this->renderTarget == nullptr) return;
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// Update mesh
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QuadMesh::bufferQuadMesh(
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&this->meshHost->mesh,
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glm::vec2(0, 0), glm::vec2(0, 0),
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glm::vec2(
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((RenderTarget*)this->renderTarget)->getWidth(),
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((RenderTarget*)this->renderTarget)->getHeight()
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),
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glm::vec2(1, 1),
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0, 0
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);
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((RenderTarget*)this->renderTarget)->eventRenderTargetResized.addListener(
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this, &SimpleRenderTargetQuad::onRenderTargetResized
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);
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});
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// Perform first resize.
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if(this->renderTarget != nullptr) {
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QuadMesh::bufferQuadMesh(
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&this->meshHost->mesh,
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glm::vec2(0, 0), glm::vec2(0, 0),
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glm::vec2(
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((RenderTarget*)this->renderTarget)->getWidth(),
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((RenderTarget*)this->renderTarget)->getHeight()
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),
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glm::vec2(1, 1),
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0, 0
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);
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}
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}
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void SimpleRenderTargetQuad::onDispose() {
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if(this->renderTarget != nullptr) {
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((RenderTarget*)this->renderTarget)->eventRenderTargetResized.removeListener(
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this, &SimpleRenderTargetQuad::onRenderTargetResized
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);
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}
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} |