- [WIP] Fase 3 en process

source/backends/SDL3/input.cpp

@@ -0,0 +1,153 @@
+#if BACKEND == SDL3
+
+#include "backends/backend.h"
+#include "state.h"
+#include "mini/view/view.h"
+
+namespace backend
+{
+    namespace input
+    {
+        void reset() {
+            key::just_pressed = 0;
+            key::has_text_input = false;
+            key::text_input_buffer[0] = '\0';
+            mouse::just_pressed = 0;
+            mouse::double_click = false;
+            mouse::w = 0;
+            pad::just_pressed = SDL_GAMEPAD_BUTTON_INVALID;
+        }
+
+        namespace key
+        {
+            const bool *keys;
+            uint8_t just_pressed = 0;
+            char text_input_buffer[10];
+            bool has_text_input = false;
+
+            bool down(uint8_t i) {
+                return keys[i];
+            }
+
+            bool press(uint8_t i) {
+                if (just_pressed == i) {
+                    just_pressed=0;
+                    return true;
+                } else {
+                    return false;
+                }
+            }
+
+            int press() {
+                return just_pressed;
+            }
+
+            bool any() {
+                const bool something_pressed = (just_pressed != 0) || (pad::just_pressed != -1);
+                just_pressed=0;
+                pad::just_pressed=-1;
+                return something_pressed;
+            }
+
+            void text(const bool enable) {
+                if (enable)
+                    SDL_StartTextInput(backend::video::window);
+                else
+                    SDL_StopTextInput(backend::video::window);
+            }
+
+            const char *utf8char() {
+                return has_text_input ? text_input_buffer : nullptr;
+            }
+        }
+
+        namespace mouse
+        {
+            int x, y, w;
+            uint32_t buttons;
+            uint8_t just_pressed = 0;
+            bool double_click = false;
+            bool discard_buttons = false;
+
+            int posx() {
+                return x - mini::view::state.origin[0];
+            }
+
+            int posy() {
+                return y - mini::view::state.origin[1];
+            }
+
+            int wheel() {
+                return w;
+            }
+
+            bool down(uint8_t i) {
+                if (discard_buttons) return false;
+                return buttons & SDL_BUTTON_MASK(i);
+            }
+
+            bool press(uint8_t i) {
+                return just_pressed == i;
+            }
+
+            bool dblclick() {
+                return double_click;
+            }
+
+            void discard() {
+                discard_buttons = true;
+            }
+
+            bool inside(int x, int y, int w, int h) {
+                const int mx = x - mini::view::state.origin[0];
+                const int my = y - mini::view::state.origin[1];
+                return (mx>=x) && (my>=y) && (mx<x+w) && (my<y+h);
+            }
+
+        }
+
+        namespace pad
+        {
+            SDL_Gamepad *gamepad = nullptr;
+            int8_t just_pressed = -1;
+
+            void init() {
+                int num_joysticks;
+                SDL_JoystickID *joysticks = SDL_GetJoysticks(&num_joysticks);
+                if (joysticks) {
+                    for (int i=0; i<num_joysticks; ++i) {
+                        if (SDL_IsGamepad(joysticks[i])) {
+                            gamepad = SDL_OpenGamepad(joysticks[i]);
+                            if (SDL_GamepadConnected(gamepad)) {
+                                SDL_SetGamepadEventsEnabled(true);
+                                // [TODO]
+                                //log_msg(LOG_OK, "Gamepad found and initialized");
+                                return;
+                            }
+                        }
+                    }
+                }
+            }
+
+            bool down(int8_t i) {
+                if (!gamepad) return false;
+                return SDL_GetGamepadButton(gamepad, SDL_GamepadButton(i)) == 1;
+            }
+
+            bool press(int8_t i) {
+                if (just_pressed == i) {
+                    just_pressed = -1;
+                    return true;
+                } else {
+                    return false;
+                }
+            }
+
+            int press() {
+                return just_pressed;
+            }
+        }
+    }
+}
+
+#endif