Initial Cross Platform Work
This commit is contained in:
@@ -1,382 +1,79 @@
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#pragma once
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/*
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MIT License
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Copyright (c) 2024 - 2025 tobid7
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <pd/core/common.hpp>
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#include <pd/core/vec.hpp>
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#include <pd/lib3ds/memory.hpp>
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#include <pd/lithium/command.hpp>
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#include <pd/lithium/flags.hpp>
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#include <pd/lithium/font.hpp>
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#include <pd/lithium/objects.hpp>
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#include <pd/lithium/screen.hpp>
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#include <pd/lithium/texture.hpp>
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#include <pd/lithium/vertex.hpp>
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namespace PD {
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namespace LI {
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/**
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* Lithium base renderer Class.
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*/
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class Renderer : public SmartCtor<Renderer> {
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public:
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/**
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* Constructor setting up the 2d Rendering Engine
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* @param flags Flags to use [can be changed at runtime].
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*/
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Renderer(LIRenderFlags flags = LIRenderFlags_Default);
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/**
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* Deconstructor that unloads all the renderer data
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*/
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~Renderer();
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/**
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* Prepare render stage for rendering.
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*/
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void PrepareRender();
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/**
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* Render a screens Command list.
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* @param s Screen to Draw its list on.
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*/
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void Render(Screen::Ref s);
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/**
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* Finalize rendering stage.
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*/
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void FinalizeRender();
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/**
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* Register Screens (For UI7, probably move this).
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* @param bottom set if you register bottom ot top screen.
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* @param s Screen to register.
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*/
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void RegisterScreen(bool bottom, Screen::Ref s) { screens[bottom] = s; }
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/**
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* Set the Screen next commands will be add to
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* @param s Screen of choice
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*/
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void OnScreen(Screen::Ref s) {
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if (!s) {
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return;
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}
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this->screen = s;
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area_size = screen->GetSize();
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}
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/**
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* Get cobst reference to active screen.
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* @return current screen.
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*/
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Screen::Ref CurrentScreen() const { return screen; }
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/**
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* Get Screen of screen regestry.
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* @param bottom bottom ot top screen.
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* @return screen reference
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*/
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Screen::Ref GetScreen(bool bottom) {
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auto res = screens[bottom];
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Assert(res.get(), "Screen is not registered!");
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return res;
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}
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void Rotation(float v) { rot = v; }
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float Rotation() const { return rot; }
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void TextScale(float v) { text_size = v; }
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void DefaultTextScale() { text_size = default_text_size; }
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float TextScale() const { return text_size; }
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void Layer(int v) { current_layer = v; }
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int Layer() const { return current_layer; }
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LIRenderFlags& GetFlags() { return flags; }
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void Font(Font::Ref v) {
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font = v;
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font_update = true;
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}
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Font::Ref Font() const { return font; }
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/**
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* Use a specific Texture for Next Rectangle.
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* @param v texture reference to use.
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*/
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void UseTex(Texture::Ref v = nullptr) {
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if (v == nullptr) {
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current_tex = white;
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return;
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}
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current_tex = v;
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}
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/**
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* Draws a Rect based on current Texture
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* @param pos Position of the Rect
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* @param size Size of the Rect
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* @param color Color of the Rect [0xffffffff]
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* for full visible texture
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* @param uv UV Map (if texture needs a custom uv)
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* @note This function is part of Simple Draw API.
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*/
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void DrawRect(const vec2& pos, const vec2& size, u32 color,
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const Rect& uv = vec4(0.f, 1.f, 1.f, 0.f));
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/**
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* Draw a Solid Rect (uses white tex)
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* @note
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* - acts as a simplified Draw rect Wrapper
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* - This function is part of Simple Draw API.
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* @param pos Position of the rect
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* @param size Size of the rect
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* @param color Color of the rect
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*/
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void DrawRectSolid(const vec2& pos, const vec2& size, u32 color);
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/**
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* Render a Triangle
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* @param a Position A
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* @param b Position B
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* @param c Position C
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* @param color Color of the triangle
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* @note
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* - Uses Solid color [white tex]
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* - This function is part of Simple Draw API.
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*/
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void DrawTriangle(const vec2& a, const vec2& b, const vec2& c, u32 color);
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/**
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* Draw a Circle (Supports Textures)
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* @param center_pos Center Position
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* @param r Radius of the circle
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* @param color Color of the circle
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* @param segments Segments to use
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* @note
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* - Textures could look a bit janky due to uv mapping
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* - This function is part of Simple Draw API.
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*/
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void DrawCircle(const vec2& center_pos, float r, u32 color, int segments);
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/**
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* Draw a Line between to Positions
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* @param a Position A
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* @param b Position B
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* @param color Color of the line
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* @param t Thickness
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* @note This function is part of Simple Draw API.
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*/
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void DrawLine(const vec2& a, const vec2& b, u32 color, int t);
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/**
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* Render a Text
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* @param pos Position of the text
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* @param color Color of the Text
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* @param text Text to Render
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* @param flags flags to use
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* @param ap optional size for specific flags
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* @note This function is part of Simple Draw API.
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*/
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void DrawText(const vec2& pos, u32 color, const std::string& text,
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u32 flags = 0, const vec2& ap = vec2());
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/**
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* Draw a Texture as 2D Image
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* @param pos Position
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* @param tex Texture reference
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* @param scale Scale (cause maybe wants to be resized)
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* @note
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* - Acts as a Simplified wrapper to DrawRect
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* - This function is part of Simple Draw API.
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*/
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void DrawImage(const vec2& pos, Texture::Ref tex,
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const vec2& scale = vec2(1.f));
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// Debug STUFF
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/** DEBUG Get the Number of Vertices of last Frame */
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u32 Vertices() const { return vertices; }
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/** DEBUG Get the Number of Indices of last frame */
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u32 Indices() const { return indices; }
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/** DEBUG Get the Number of Commands of last frame */
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u32 Commands() const { return commands; }
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/** DEBUG Get the Number of Drawcalls of last frame */
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u32 DrawCalls() const { return drawcalls; }
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/** Auto Static Text Number of Texts */
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u32 AstUsage() const { return ast.size(); }
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/** Text Map System number of texts */
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u32 TmsUsage() const { return tms.size(); }
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// TOOLS
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/** Rotate a rect corner position by sine and cosine value */
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static void RotateCorner(vec2& v, float s, float c);
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/** Create a Rect by Position, Size and rotation angle */
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static Rect CreateRect(const vec2& pos, const vec2& size, float angle);
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/** Create a Line Rect by 2 Position and a thickness value */
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static Rect CreateLine(const vec2& a, const vec2& b, int t);
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/** Check if a pos and size are inside a vec4 rect */
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static bool InBox(const vec2& pos, const vec2& size, const vec4& rect);
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/** Check if a pos is inside a vec4 rect */
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static bool InBox(const vec2& pos, const vec4& rect);
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/** Check if one or all of three positions are somehow inside a vec4 rect */
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static bool InBox(const vec2& alpha, const vec2& bravo, const vec2& charlie,
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const vec4& rect);
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/**
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* Get The Address of a Screen
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* @note **IMPORTANT** THIS IS FOR 32Bit System
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*
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* Should find a better way to do this for porting this lib
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*/
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static u32 Screen32(Screen::Ref s) { return (u32)s.get(); }
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/** Function to optimize command order for rendering */
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static void OptiCommandList(std::vector<Command::Ref>& list);
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/** Returns Viewport with xy */
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vec4 GetViewport();
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/** Push a Self Created command */
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void PushCommand(Command::Ref cmd) {
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cmd->Index(cmd_idx++); // Indexing
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draw_list[Screen32(screen)].push_back(cmd);
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}
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/** Automatically sets up a command */
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void SetupCommand(Command::Ref cmd);
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/** Creates a default Quad Render Command */
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void QuadCommand(Command::Ref cmd, const Rect& quad, const Rect& uv, u32 col);
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/** Create a Default Triangle */
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void TriangleCommand(Command::Ref cmd, const vec2& a, const vec2& b,
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const vec2& c, u32 col);
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/**
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* Create List of a Text Commands
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* @param cmds Link to a command List
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* @param pos Position
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* @param color Color
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* @param text Text
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* @param flags Flags
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* @param box (Size for wrapping / Offset for Centered Text)
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*/
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void TextCommand(std::vector<Command::Ref>& cmds, const vec2& pos, u32 color,
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const std::string& text, LITextFlags flags, const vec2& box);
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vec2 GetTextDimensions(const std::string& text);
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/**
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* Function to short a text and replace the rest by ...
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* @param text Text to short
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* @param maxlen Maximum width
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* @param newsize New Textbox size
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* @return shorted text
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*/
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std::string ShortText(const std::string& text, int maxlen, vec2& newsize);
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/**
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* Function to Wrap Text by specific width
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*
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* **NOT IMPLEMENTED YET**
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* @param text text to wrap
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* @param maxlen maximum width per line
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* @param newsize new textbox size
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* @return wrapped text
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*/
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std::string WrapText(const std::string& text, int maxlen, vec2& newsize);
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private:
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// Helper Funcitons
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/**
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* Update the 3DS citro3d texenv for specific RenderMode
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* @param mode RenderMode to use.
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*/
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void UpdateRenderMode(const RenderMode& mode);
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/** Current Screen */
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Screen::Ref screen;
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/** Screen Regestry */
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Screen::Ref screens[2];
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// Context Related
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/** Renderer flags */
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LIRenderFlags flags = LIRenderFlags_Default;
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/** Area Size */
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vec2 area_size;
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/** Current Layer */
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int current_layer = 0;
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/** Current Texture */
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Texture::Ref current_tex = nullptr;
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/** Single Color Texture (for solid color objs) */
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Texture::Ref white = nullptr;
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/** Current Font Reference */
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Font::Ref font = nullptr;
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/** Font updated */
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bool font_update;
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/** Current Rendermode */
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RenderMode mode = RenderMode_RGBA;
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/** Text Map System */
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std::map<std::string, TextBox> tms;
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/** (Auto) Static Text */
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std::unordered_map<u32, StaticText::Ref> ast;
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// Text Rendering
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/** Default FOnt height */
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const float default_font_h = 24.f;
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/** Default Text Scale */
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const float default_text_size = 0.7f;
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/** Current Text Scale */
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float text_size = 0.7f;
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// Special
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/** Current Rotation (RECTS) */
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float rot = 0.f;
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// Rendering
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/** Map of drawlist by 32Bit memory Address of their Screen */
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std::unordered_map<u32, std::vector<Command::Ref>> draw_list;
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/** Vertex Buffer in linear Ram */
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std::vector<Vertex, LinearAllocator<Vertex>> vertex_buf;
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/** 16Bit index buffer in linear Ram */
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std::vector<u16, LinearAllocator<u16>> index_buf;
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/** vertex index (render stage) */
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u32 vertex_idx = 0;
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/** index buf index (render stage) */
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u32 index_idx = 0;
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/** command index (used for debug count) */
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u32 cmd_idx = 0;
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// Debug
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/** Num of Vertices */
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u32 vertices = 0;
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/** Num of indices */
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u32 indices = 0;
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/** Num of Commands */
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u32 commands = 0;
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/** Num of Drawcalls */
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u32 drawcalls = 0;
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// Shader
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/** Shader code */
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DVLB_s* dvlb = nullptr;
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/** Shader program */
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shaderProgram_s shader;
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/** Shader Attribute info */
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C3D_AttrInfo attr;
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/** projection matrix location */
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int uLoc_projection = 0;
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// Matrix
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/** Precalculated Projectrion Matrix for top screen */
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C3D_Mtx top_proj;
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/** Precalculated Projectrion Matrix for bottom screen */
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C3D_Mtx bot_proj;
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};
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} // namespace LI
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#pragma once
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/*
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||||
MIT License
|
||||
|
||||
Copyright (c) 2024 - 2025 tobid7
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||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
|
||||
*/
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#include <pd/lithium/backend.hpp>
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#include <pd/lithium/drawlist.hpp>
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#include <pd/lithium/font.hpp>
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#include <pd/lithium/pd_p_api.hpp>
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namespace PD {
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namespace LI {
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class PD_LITHIUM_API Renderer : public SmartCtor<Renderer> {
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public:
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Renderer(Backend::Ref backend);
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~Renderer() = default;
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void Render();
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// SECTION: ADVANCED API
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void AddCommand(Command::Ref v) { DrawList.Add(v); }
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void RegisterDrawList(DrawList::Ref list) { pDrawLists.Add(list); }
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Command::Ref PreGenerateCmd();
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// SECTION: Open Command and Object creation API
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static void RotateCorner(fvec2& pos, float sinus, float cosinus);
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static Rect PrimRect(const fvec2& pos, const fvec2& size, float angle = 0.f);
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static Rect PrimLine(const fvec2& a, const fvec2& b, int thickness = 1);
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static void CmdQuad(Command::Ref cmd, const Rect& quad, const Rect& uv,
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u32 color);
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static void CmdTriangle(Command::Ref cmd, const fvec2 a, const fvec2 b,
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const fvec2 c, u32 clr);
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static void CmdPolyLine(const Vec<fvec2>& points, u32 clr, u32 flags = 0,
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int thickness = 1);
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static void CmdConvexPolyFilled(Command::Ref cmd, const Vec<fvec2>& points,
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u32 clr, Texture::Ref tex);
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// SECTION: InBounds Checks
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static bool InBox(const fvec2& pos, const fvec2& size, const fvec4& area);
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static bool InBox(const fvec2& pos, const fvec4& area);
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static bool InBox(const fvec2& a, const fvec2& b, const fvec2& c,
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const fvec4& area);
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// SECTION: Data //
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Texture::Ref WhitePixel = nullptr;
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Backend::Ref pBackend = nullptr;
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Texture::Ref CurrentTex = nullptr;
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int Layer = 0;
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private:
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PD::Vec<Command::Ref> DrawList;
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PD::Vec<DrawList::Ref> pDrawLists;
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};
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} // namespace LI
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} // namespace PD
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