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Colors: Introduce color type abstraction

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SFML and Dear ImGui have incompatible color types, abstract them through
a new Color class which has conversions.

Centralize color constants in a namespace as well.
This commit is contained in:
Teo-CD 2024-01-26 22:54:13 +00:00
parent b492def96e
commit e234dda860
3 changed files with 47 additions and 9 deletions
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37
Color.h Normal file
View file

@ -0,0 +1,37 @@
//
// Created by trotfunky on 26/01/24.
//
#ifndef RAYCASTING_COLOR_H
#define RAYCASTING_COLOR_H
#include <SFML/Graphics.hpp>
#ifdef IMGUI
#include <imgui.h>
#endif
class Color {
public:
uint8_t r;
uint8_t g;
uint8_t b;
uint8_t alpha;
constexpr Color(uint8_t r, uint8_t g, uint8_t b, uint8_t alpha = 255) :
r(r), g(g), b(b), alpha(alpha) {};
operator sf::Color() const { return {r, g, b, alpha}; }
#ifdef IMGUI
operator ImColor() const { return {r, g, b, alpha}; }
#endif
};
namespace Colors {
static constexpr Color Ground{67, 137, 39};
static constexpr Color Ceiling{39, 69, 137};
static constexpr Color Wall{84, 56, 34};
static constexpr Color Door{186, 152, 107};
static constexpr Color Window{104, 123, 165};
}
#endif //RAYCASTING_COLOR_H

12
World.cpp
View file

@ -287,13 +287,13 @@ void World::step(const float& stepTime) {
ImVec4 hoverColor;
switch ((BlockType)blockToPlace) {
case BlockType::WALL:
hoverColor = (ImVec4)ImColor(84, 56, 34);
hoverColor = (ImVec4)Colors::Wall;
break;
case BlockType::DOOR:
hoverColor = (ImVec4)ImColor(186, 152, 107);
hoverColor = (ImVec4)Colors::Door;
break;
case BlockType::WINDOW:
hoverColor = (ImVec4)ImColor(104, 123, 165);
hoverColor = (ImVec4)Colors::Window;
break;
default:
/* Default header color, it seems ? */
@ -305,13 +305,13 @@ void World::step(const float& stepTime) {
ImVec4 blockColor;
switch (currentBlock) {
case BlockType::WALL:
blockColor = (ImVec4)ImColor(84, 56, 34);
blockColor = (ImVec4)Colors::Wall;
break;
case BlockType::DOOR:
blockColor = (ImVec4)ImColor(186, 152, 107);
blockColor = (ImVec4)Colors::Door;
break;
case BlockType::WINDOW:
blockColor = (ImVec4)ImColor(104, 123, 165);
blockColor = (ImVec4)Colors::Window;
break;
default:
blockColor = (ImVec4)ImColor(188, 120, 32);

7
World.h
View file

@ -10,6 +10,7 @@
#include <SFML/Graphics.hpp>
#include <iostream>
#include "Color.h"
#include "Player.h"
enum class BlockType {
@ -24,8 +25,8 @@ public:
Player player;
World(int w, int h,
sf::Color groundColor = sf::Color{67, 137, 39},
sf::Color ceilingColor = sf::Color{39, 69, 137},
sf::Color groundColor = Colors::Ground,
sf::Color ceilingColor = Colors::Ceiling,
std::vector<BlockType> worldMap = {});
int getW() const;
int getH() const;
@ -52,7 +53,7 @@ private:
sf::Color ceilingColor;
void fillColumn(sf::RenderWindow&, unsigned int column, float scale,
sf::Color fillColor = sf::Color(84,56,34)) const;
sf::Color fillColor = Colors::Wall) const;
/**
* Cast a ray from a given position and return its distance to the origin.
* @param originX Ray X origin, strictly positive