mirror of
https://github.com/rwengine/openrw.git
synced 2024-09-15 15:02:34 +02:00
Improve map rendering, UI viewport
+ UI Viewport is now window sized + Map renderer now supports rotating
This commit is contained in:
Daniel Evans
parent
2344024f08
commit
9855bf2967
@ -14,18 +14,22 @@ public:
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struct MapInfo
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{
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glm::vec2 viewport;
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float scale;
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float scale = 1.f;
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/// World coordinate center
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glm::vec2 center;
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/// yaw of the map
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float rotation = 0.f;
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glm::vec2 mapSize;
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glm::vec2 mapPos;
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/// Top of the map on the screen
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glm::vec2 mapScreenBottom;
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/// Bottom of the map on the screen
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glm::vec2 mapScreenTop;
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};
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MapRenderer(GameWorld* world, Renderer* renderer);
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glm::vec2 worldToMap(const glm::vec2& coord);
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glm::vec2 mapToScreen(const glm::vec2& map, const MapInfo& mi);
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glm::vec2 sizeOnScreen(const glm::vec2& map, const MapInfo& mi);
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void draw(const MapInfo& mi);
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@ -38,5 +42,5 @@ private:
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Renderer::ShaderProgram* rectProg;
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void drawBlip(const glm::vec2& map, const MapInfo& mi, const std::string& texture);
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void drawBlip(const glm::vec2& map, const glm::mat4& model, const MapInfo& mi, const std::string& texture, float heading = 0.f);
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};
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@ -90,15 +90,16 @@ public:
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virtual void draw(const glm::mat4& model, DrawBuffer* draw, const DrawParameters& p) = 0;
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virtual void drawArrays(const glm::mat4& model, DrawBuffer* draw, const DrawParameters& p) = 0;
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void setViewport(const glm::ivec2& vp) { viewport = vp; }
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void setViewport(const glm::ivec2& vp);
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const glm::ivec2& getViewport() const { return viewport; }
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glm::mat4 get2DProjection() const;
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const glm::mat4& get2DProjection() const { return projection2D; }
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virtual void invalidate() = 0;
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private:
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glm::ivec2 viewport;
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glm::mat4 projection2D;
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};
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class OpenGLRenderer : public Renderer
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@ -257,6 +257,10 @@ void GameRenderer::renderWorld(const ViewCamera &camera, float alpha)
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// Store the input camera,
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_camera = camera;
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// Set the viewport
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const glm::ivec2& vp = getRenderer()->getViewport();
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glViewport(0, 0, vp.x, vp.y);
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glBindVertexArray( vao );
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@ -4,75 +4,119 @@
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#include <ai/PlayerController.hpp>
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#include <objects/CharacterObject.hpp>
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const char* MapVertexShader = R"(
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#version 130
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#extension GL_ARB_explicit_attrib_location : enable
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#extension GL_ARB_uniform_buffer_object : enable
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layout(location = 0) in vec2 position;
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out vec2 TexCoord;
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uniform mat4 proj;
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uniform mat4 view;
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uniform mat4 model;
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void main()
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{
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gl_Position = proj * view * model * vec4(position, 0.0, 1.0);
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// UI space is top to bottom, so flip Y.
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TexCoord = position + vec2( 0.5 );
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})";
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const char* MapFragmentShader = R"(
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#version 130
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in vec2 TexCoord;
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uniform vec4 colour;
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uniform sampler2D spriteTexture;
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out vec4 outColour;
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void main()
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{
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vec4 c = texture(spriteTexture, TexCoord);
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outColour = colour + c;
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})";
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MapRenderer::MapRenderer(GameWorld* world, Renderer* renderer)
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: world( world ), renderer(renderer)
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{
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rectGeom.uploadVertices<VertexP2>({
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{-1.f, -1.f},
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{ 1.f, -1.f},
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{-1.f, 1.f},
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{ 1.f, 1.f}
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{-.5f, .5f},
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{ .5f, .5f},
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{-.5f, -.5f},
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{ .5f, -.5f}
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});
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rect.addGeometry(&rectGeom);
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rect.setFaceType(GL_TRIANGLE_STRIP);
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rectProg = renderer->createShader(
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GameShaders::ScreenSpaceRect::VertexShader,
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GameShaders::ScreenSpaceRect::FragmentShader
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MapVertexShader,
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MapFragmentShader
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);
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renderer->setUniform(rectProg, "colour", glm::vec4(1.f));
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renderer->setUniform(rectProg, "size", glm::vec2(1.f, 1.f));
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renderer->setUniform(rectProg, "offset", glm::vec2(1.f, 1.f));
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}
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#define GAME_MAP_SIZE 4000
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glm::vec2 MapRenderer::mapToScreen(const glm::vec2& map, const MapInfo& mi)
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glm::vec2 MapRenderer::worldToMap(const glm::vec2& coord)
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{
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glm::vec2 screenSize = ((map-mi.center) * mi.scale) / mi.viewport;
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glm::vec2 screenCenter = mi.mapPos / (mi.viewport/2.f) - 1.f;
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return screenSize + screenCenter;
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return glm::vec2(coord.x, -coord.y);
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}
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glm::vec2 MapRenderer::sizeOnScreen(const glm::vec2& map, const MapRenderer::MapInfo& mi)
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glm::vec2 MapRenderer::mapToScreen(const glm::vec2& map, const MapInfo& mi)
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{
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glm::vec2 screenSize = ((map) * mi.scale) / mi.viewport;
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return screenSize;
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glm::vec2 screenSize = ((map-mi.center) * mi.scale);
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glm::vec2 screenCenter(500.f, 500.f);
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return screenSize + screenCenter;
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}
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void MapRenderer::draw(const MapInfo& mi)
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{
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const glm::vec2& viewport = mi.viewport;
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const glm::vec2& offset = -mi.center;
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renderer->useProgram(rectProg);
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glm::vec2 bottom = glm::min(mi.mapScreenBottom, mi.mapScreenTop);
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glm::vec2 top = glm::max(mi.mapScreenBottom, mi.mapScreenTop);
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glm::vec2 screenPos = (bottom+top)/2.f;
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glm::vec2 scissorSize = top - bottom;
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const glm::ivec2& vp = renderer->getViewport();
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glEnable(GL_SCISSOR_TEST);
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glScissor(bottom.x, vp.y - bottom.y - scissorSize.y, scissorSize.x, scissorSize.y);
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auto proj = renderer->get2DProjection();
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glm::mat4 view, model;
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view = glm::translate(view, glm::vec3(screenPos, 0.f));
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view = glm::scale(view, glm::vec3(mi.scale));
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model = glm::rotate(model, mi.rotation, glm::vec3(0.f, 0.f, 1.f));
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model = glm::translate(model, glm::vec3(-worldToMap(mi.center), 0.f));
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renderer->setUniform(rectProg, "view", view);
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renderer->setUniform(rectProg, "proj", proj);
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glm::vec2 worldSize(GAME_MAP_SIZE);
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const int mapBlockLine = 8;
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glm::vec2 tileSize = worldSize / (float)mapBlockLine;
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glm::vec2 tileScreenSize = sizeOnScreen(tileSize, mi);
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glm::vec2 basePos = mi.mapPos - (mi.mapSize/2.f);
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glEnable(GL_SCISSOR_TEST);
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glScissor(basePos.x, basePos.y, mi.mapSize.x, mi.mapSize.y);
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glBindVertexArray( rect.getVAOName() );
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D, 0);
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renderer->setUniformTexture(rectProg, "spriteTexture", 0);
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glm::mat4 bg = glm::scale( model, glm::vec3( glm::vec2( worldSize ), 1.f ) );
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// Draw backdrop
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renderer->setUniform(rectProg, "size", sizeOnScreen(worldSize/2.f, mi));
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renderer->setUniform(rectProg, "model", bg);
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renderer->setUniform(rectProg, "colour", glm::vec4(0.0f, 0.0f, 0.0f, 1.f));
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renderer->setUniform(rectProg, "offset", mapToScreen(glm::vec2(0.f, 0.f), mi));
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glBindTexture(GL_TEXTURE_2D, 0);
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glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
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// 2048, -2048
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renderer->setUniform(rectProg, "size", tileScreenSize/2.f);
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renderer->setUniform(rectProg, "colour", glm::vec4(0.0f, 0.0f, 0.0f, 0.f));
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renderer->setUniform(rectProg, "colour", glm::vec4(0.f));
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int initX = -(mapBlockLine/2);
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int initY = (mapBlockLine/2);
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int initY = -(mapBlockLine/2);
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for( int m = 0; m < MAP_BLOCK_SIZE; ++m )
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{
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std::string num = (m < 10 ? "0" : "");
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@ -80,21 +124,25 @@ void MapRenderer::draw(const MapInfo& mi)
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auto texture = world->gameData.textures[{name,""}];
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glBindTexture(GL_TEXTURE_2D, texture.texName);
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renderer->setUniformTexture(rectProg, "texture", 0);
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int mX = initX + (m % mapBlockLine);
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int mY = initY - (m / mapBlockLine);
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auto tc = glm::vec2(mX, mY) * tileSize + (glm::vec2(tileSize.x,-tileSize.y)/2.f);
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int mY = initY + (m / mapBlockLine);
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auto screen = mapToScreen(tc, mi);
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auto tc = glm::vec2(mX, mY) * tileSize + glm::vec2(tileSize/2.f);
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renderer->setUniform(rectProg, "offset", screen);
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glm::mat4 tilemodel = model;
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tilemodel = glm::translate( tilemodel, glm::vec3( tc, 0.f ) );
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tilemodel = glm::scale( tilemodel, glm::vec3( tileSize, 1.f ) );
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renderer->setUniform(rectProg, "model", tilemodel);
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glDrawArrays( GL_TRIANGLE_STRIP, 0, 4 );
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}
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glDisable(GL_SCISSOR_TEST);
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renderer->setUniform(rectProg, "view", view);
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for(auto& blip : world->state.radarBlips)
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{
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glm::vec2 blippos( blip.second.coord );
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@ -103,7 +151,7 @@ void MapRenderer::draw(const MapInfo& mi)
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blippos = glm::vec2( blip.second.target->getPosition() );
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}
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drawBlip(blippos, mi, "");
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drawBlip(blippos, model, mi, "");
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}
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// Draw the player blip
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@ -111,41 +159,52 @@ void MapRenderer::draw(const MapInfo& mi)
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if( player )
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{
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glm::vec2 plyblip(player->getCharacter()->getPosition());
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drawBlip(plyblip, mi, "radar_centre");
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float hdg = glm::roll(player->getCharacter()->getRotation());
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drawBlip(plyblip, model, mi, "radar_centre", hdg);
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}
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glBindVertexArray( 0 );
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glBindTexture(GL_TEXTURE_2D, 0);
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glUseProgram(0);
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/// @TODO migrate to using the renderer
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renderer->invalidate();
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}
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void MapRenderer::drawBlip(const glm::vec2& map, const MapInfo& mi, const std::string& texture)
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void MapRenderer::drawBlip(const glm::vec2& coord, const glm::mat4& model, const MapInfo& mi, const std::string& texture, float heading)
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{
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glm::vec2 screen = mapToScreen(map, mi);
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auto relPos = glm::vec2( model * glm::vec4( worldToMap(coord), 0.f, 1.f ) );
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glm::vec2 screenCenter = mi.mapPos / (mi.viewport/2.f) - 1.f;
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glm::vec2 screenSize = (mi.mapSize) / mi.viewport;
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glm::vec2 screenMax = screenCenter + screenSize;
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glm::vec2 screenMin = screenCenter - screenSize;
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// Now that relPos is relative to the rotation of the map, we can clip it.
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float invScale = 1.f/mi.scale;
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glm::vec2 mapCenter( (mi.mapScreenTop + mi.mapScreenBottom) / 2.f );
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glm::vec2 mapMin( (mi.mapScreenBottom - mapCenter) );
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glm::vec2 mapMax( (mi.mapScreenTop - mapCenter) );
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screen = glm::max(screen, screenMin);
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screen = glm::min(screen, screenMax);
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relPos = glm::max( mapMin * invScale, glm::min( mapMax * invScale, relPos ) );
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glm::vec2 map = glm::vec2( glm::inverse(model) * glm::vec4( relPos, 0.f, 1.f ) );
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glm::mat4 m = model;
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m = glm::translate(m, glm::vec3(map, 0.f));
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m = glm::scale(m, glm::vec3(16.f * 1.f/mi.scale));
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m = glm::rotate(m, heading, glm::vec3(0.f, 0.f, -1.f));
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renderer->setUniform(rectProg, "model", m);
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GLuint tex = 0;
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if ( !texture.empty() )
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{
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auto sprite= world->gameData.textures[{texture,""}];
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tex = sprite.texName;
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renderer->setUniform(rectProg, "colour", glm::vec4(0.0f, 0.0f, 0.0f, 0.f));
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renderer->setUniform(rectProg, "colour", glm::vec4(0.f));
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}
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else
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{
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renderer->setUniform(rectProg, "colour", glm::vec4(1.0f, 1.0f, 1.0f, 1.f));
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}
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glBindTexture(GL_TEXTURE_2D, tex);
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renderer->setUniform(rectProg, "size", 16.f/mi.viewport);
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renderer->setUniform(rectProg, "offset", screen);
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glDrawArrays( GL_TRIANGLE_STRIP, 0, 4 );
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}
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@ -80,20 +80,11 @@ GLuint compileProgram(const char* vertex, const char* fragment)
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return prog;
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}
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glm::mat4 Renderer::get2DProjection() const
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void Renderer::setViewport(const glm::ivec2& vp)
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{
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glm::vec2 aspect(1.f, 1.f);
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if( viewport.x > viewport.y )
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{
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// Widescreen
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aspect.x = viewport.x / (float) viewport.y;
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}
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else
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{
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// Tall-o-vision
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aspect.y = viewport.y / (float)viewport.x;
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}
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return glm::ortho(0.f, 800.f * aspect.x, 600.f * aspect.y, 0.f, -1.f, 1.f);
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viewport = vp;
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projection2D = glm::ortho(0.f, (float)viewport.x, (float)viewport.y, 0.f, -1.f, 1.f);
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}
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void OpenGLRenderer::useDrawBuffer(DrawBuffer* dbuff)
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@ -191,7 +191,7 @@ void IngameState::draw(GameRenderer* r)
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{
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if( !getWorld()->state.isCinematic && getWorld()->isCutsceneDone() )
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{
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drawHUD(getWindow());
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drawHUD(r);
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}
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State::draw(r);
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@ -299,17 +299,25 @@ const ViewCamera &IngameState::getCamera()
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return _look;
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}
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void IngameState::drawHUD(const sf::RenderWindow& w)
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void IngameState::drawHUD(GameRenderer* renderer)
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{
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MapRenderer::MapInfo map;
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map.scale = 0.5f;
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map.viewport = glm::vec2(w.getSize().x, w.getSize().y);
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map.scale = 0.4f;
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map.mapPos = glm::vec2(map.viewport.x * 0.2f, map.viewport.y * 0.2f);
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float aspect = map.viewport.x / map.viewport.y;
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map.mapSize = map.viewport * 0.3f;
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map.mapPos.x /= aspect;
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map.mapSize.x /= aspect;
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glm::quat plyRot;
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if( getPlayer() )
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{
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auto p = getPlayer();
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plyRot = p->getCharacter()->getRotation();
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}
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map.rotation = glm::roll(plyRot);
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const glm::ivec2& vp = renderer->getRenderer()->getViewport();
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map.mapScreenTop = glm::vec2(260.f, vp.y - 10.f);
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map.mapScreenBottom = glm::vec2(10.f, vp.y - 210.f);
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if( getWorld()->state.player )
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{
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@ -31,7 +31,7 @@ public:
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const ViewCamera& getCamera();
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private:
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void drawHUD(const sf::RenderWindow& w);
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void drawHUD(GameRenderer* r);
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};
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#endif // INGAMESTATE_HPP
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@ -33,17 +33,12 @@ void PauseState::draw(GameRenderer* r)
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{
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MapRenderer::MapInfo map;
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auto& w = getWindow();
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auto& vp = r->getRenderer()->getViewport();
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map.scale = 0.25f;
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map.viewport = glm::vec2(w.getSize().x, w.getSize().y);
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map.mapSize = map.viewport;
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map.mapPos = map.viewport / 2.f;
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map.scale = 0.2f;
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map.mapScreenTop = glm::vec2(vp.x, vp.y);
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map.mapScreenBottom = glm::vec2(0.f, 0.f);
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if( getWorld()->state.player )
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{
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map.center = glm::vec2(getWorld()->state.player->getCharacter()->getPosition());
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}
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getWorld()->renderer.map.draw(map);
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State::draw(r);
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