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imGui: Add full gamepad support using io.AddKeyEvent(), io.AddKeyAnalogEvent(), stopped writing to io.NavInputs[]

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Joel16 2022-02-07 21:50:07 -05:00
parent e723b31d0d
commit 4b15500891
1 changed files with 24 additions and 21 deletions
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45
source/imgui_impl_vitagl.cpp
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@ -56,38 +56,41 @@ void ImGui_ImplVitaGL_Shutdown(void) {
static void ImGui_ImplVitaGL_UpdateGamepads(void) {
ImGuiIO& io = ImGui::GetIO();
sceClibMemset(io.NavInputs, 0, sizeof(io.NavInputs));
if ((io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) == 0)
return;
// Get gamepad
io.BackendFlags &= ~ImGuiBackendFlags_HasGamepad;
SceCtrlData pad;
sceCtrlPeekBufferPositive(0, &pad, 1);
io.BackendFlags |= ImGuiBackendFlags_HasGamepad;
int rstick_x = (pad.rx - 127) * 256;
int rstick_y = (pad.ry - 127) * 256;
// Update gamepad inputs
#define MAP_BUTTON(NAV_NO, BUTTON_NO) { io.NavInputs[NAV_NO] = pad.buttons & BUTTON_NO? 1.0f : 0.0f; }
#define MAP_ANALOG(NAV_NO, AXIS_NO, V0, V1) { float vn = (float)(AXIS_NO - V0) / (float)(V1 - V0); if (vn > 1.0f) vn = 1.0f; if (vn > 0.0f && io.NavInputs[NAV_NO] < vn) io.NavInputs[NAV_NO] = vn; }
#define IM_SATURATE(V) (V < 0.0f ? 0.0f : V > 1.0f ? 1.0f : V)
#define MAP_BUTTON(KEY_NO, BUTTON_NO) { io.AddKeyEvent(KEY_NO, (pad.buttons & BUTTON_NO)); }
#define MAP_ANALOG(KEY_NO, AXIS_NO, V0, V1) { float vn = (float)(AXIS_NO - V0) / (float)(V1 - V0); vn = IM_SATURATE(vn); io.AddKeyAnalogEvent(KEY_NO, vn > 0.1f, vn); }
const int thumb_dead_zone = 8000; // SDL_gamecontroller.h suggests using this value.
MAP_BUTTON(ImGuiNavInput_Activate, SCE_CTRL_ENTER); // Cross / A
MAP_BUTTON(ImGuiNavInput_Cancel, SCE_CTRL_CANCEL); // Circle / B
MAP_BUTTON(ImGuiNavInput_Menu, SCE_CTRL_SQUARE); // Square / X
MAP_BUTTON(ImGuiNavInput_Input, SCE_CTRL_TRIANGLE); // Triangle / Y
MAP_BUTTON(ImGuiNavInput_DpadLeft, SCE_CTRL_LEFT); // D-Pad Left
MAP_BUTTON(ImGuiNavInput_DpadRight, SCE_CTRL_RIGHT); // D-Pad Right
MAP_BUTTON(ImGuiNavInput_DpadUp, SCE_CTRL_UP); // D-Pad Up
MAP_BUTTON(ImGuiNavInput_DpadDown, SCE_CTRL_DOWN); // D-Pad Down
MAP_BUTTON(ImGuiNavInput_FocusPrev, SCE_CTRL_LTRIGGER); // L1 / LB
MAP_BUTTON(ImGuiNavInput_FocusNext, SCE_CTRL_RTRIGGER); // R1 / RB
MAP_BUTTON(ImGuiNavInput_TweakSlow, SCE_CTRL_LTRIGGER); // L1 / LB
MAP_BUTTON(ImGuiNavInput_TweakFast, SCE_CTRL_RTRIGGER); // R1 / RB
MAP_ANALOG(ImGuiNavInput_LStickLeft, rstick_x, -thumb_dead_zone, -32768);
MAP_ANALOG(ImGuiNavInput_LStickRight, rstick_x, +thumb_dead_zone, +32767);
MAP_ANALOG(ImGuiNavInput_LStickUp, rstick_y, -thumb_dead_zone, -32767);
MAP_ANALOG(ImGuiNavInput_LStickDown, rstick_y, +thumb_dead_zone, +32767);
io.BackendFlags |= ImGuiBackendFlags_HasGamepad;
MAP_BUTTON(ImGuiKey_GamepadStart, SCE_CTRL_ENTER);
MAP_BUTTON(ImGuiKey_GamepadBack, SCE_CTRL_CANCEL);
MAP_BUTTON(ImGuiKey_GamepadFaceDown, SCE_CTRL_ENTER);
MAP_BUTTON(ImGuiKey_GamepadFaceRight, SCE_CTRL_CANCEL);
MAP_BUTTON(ImGuiKey_GamepadFaceLeft, SCE_CTRL_SQUARE);
MAP_BUTTON(ImGuiKey_GamepadFaceUp, SCE_CTRL_TRIANGLE);
MAP_BUTTON(ImGuiKey_GamepadDpadLeft, SCE_CTRL_LEFT);
MAP_BUTTON(ImGuiKey_GamepadDpadRight, SCE_CTRL_RIGHT);
MAP_BUTTON(ImGuiKey_GamepadDpadUp, SCE_CTRL_UP);
MAP_BUTTON(ImGuiKey_GamepadDpadDown, SCE_CTRL_DOWN);
MAP_BUTTON(ImGuiKey_GamepadL1, SCE_CTRL_LTRIGGER);
MAP_BUTTON(ImGuiKey_GamepadR1, SCE_CTRL_RTRIGGER);
MAP_ANALOG(ImGuiKey_GamepadLStickLeft, rstick_x, -thumb_dead_zone, -32768);
MAP_ANALOG(ImGuiKey_GamepadLStickRight, rstick_x, +thumb_dead_zone, +32767);
MAP_ANALOG(ImGuiKey_GamepadLStickUp, rstick_y, -thumb_dead_zone, -32767);
MAP_ANALOG(ImGuiKey_GamepadLStickDown, rstick_y, +thumb_dead_zone, +32767);
#undef MAP_BUTTON
#undef MAP_ANALOG
}