PSP2: Add Playstation Vita (PSP2) support

2 files changed, 362 insertions, 0 deletions

diff --git a/backends/events/psp2sdl/psp2sdl-events.cpp b/backends/events/psp2sdl/psp2sdl-events.cpp
new file mode 100644
index 0000000000..e58e49d9a8
--- /dev/null
+++ b/backends/events/psp2sdl/psp2sdl-events.cpp
@@ -0,0 +1,323 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "common/scummsys.h"
+
+#if defined(PSP2)
+
+#include <psp2/kernel/processmgr.h>
+#include "backends/platform/sdl/psp2/psp2.h"
+#include "backends/events/psp2sdl/psp2sdl-events.h"
+#include "backends/platform/sdl/sdl.h"
+#include "engines/engine.h"
+
+#include "common/util.h"
+#include "common/events.h"
+#include "common/config-manager.h"
+
+#include "math.h"
+
+#define JOY_DEADZONE 2000
+#define JOY_ANALOG
+#define JOY_XAXIS 0
+#define JOY_YAXIS 1
+#define JOY_XAXISR 2
+#define JOY_YAXISR 3
+
+enum {
+	BTN_LEFT		= 7,
+	BTN_DOWN		= 6,
+	BTN_RIGHT		= 9,
+	BTN_UP			= 8,
+
+	BTN_START		= 11,
+	BTN_SELECT		= 10,
+
+	BTN_SQUARE		= 3,
+	BTN_CROSS		= 2,
+	BTN_CIRCLE		= 1,
+	BTN_TRIANGLE	= 0,
+
+	BTN_R1			= 5,
+	BTN_L1			= 4
+};
+
+bool PSP2EventSource::handleJoyButtonDown(SDL_Event &ev, Common::Event &event) {
+
+	event.kbd.flags = 0;
+
+	switch (ev.jbutton.button) {
+// Dpad
+	case BTN_LEFT: // Left (+R_trigger: Up+Left)
+		if (!_km.modifier) {
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = Common::KEYCODE_KP4;
+			event.kbd.ascii = mapKey(SDLK_KP4, (SDLMod) ev.key.keysym.mod, 0);
+		} else {
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = Common::KEYCODE_KP7;
+			event.kbd.ascii = mapKey(SDLK_KP7, (SDLMod) ev.key.keysym.mod, 0);
+		}
+		break;
+	case BTN_RIGHT: // Right (+R_trigger: Down+Right)
+		if (!_km.modifier) {
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = Common::KEYCODE_KP6;
+			event.kbd.ascii = mapKey(SDLK_KP6, (SDLMod) ev.key.keysym.mod, 0);
+		} else {
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = Common::KEYCODE_KP3;
+			event.kbd.ascii = mapKey(SDLK_KP3, (SDLMod) ev.key.keysym.mod, 0);
+		}
+		break;
+	case BTN_UP: // Up (+R_trigger: Up+Right)
+		if (!_km.modifier) {
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = Common::KEYCODE_KP8;
+			event.kbd.ascii = mapKey(SDLK_KP8, (SDLMod) ev.key.keysym.mod, 0);
+		} else {
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = Common::KEYCODE_KP9;
+			event.kbd.ascii = mapKey(SDLK_KP9, (SDLMod) ev.key.keysym.mod, 0);
+		}
+		break;
+	case BTN_DOWN: // Down (+R_trigger: Down+Left)
+		if (!_km.modifier) {
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = Common::KEYCODE_KP2;
+			event.kbd.ascii = mapKey(SDLK_KP2, (SDLMod) ev.key.keysym.mod, 0);
+		} else {
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = Common::KEYCODE_KP1;
+			event.kbd.ascii = mapKey(SDLK_KP1, (SDLMod) ev.key.keysym.mod, 0);
+		}
+		break;
+// Buttons
+	case BTN_CROSS: // Left mouse button
+		event.type = Common::EVENT_LBUTTONDOWN;
+		processMouseEvent(event, _km.x / MULTIPLIER, _km.y / MULTIPLIER);
+		break;
+	case BTN_CIRCLE: // Right mouse button
+		event.type = Common::EVENT_RBUTTONDOWN;
+		processMouseEvent(event, _km.x / MULTIPLIER, _km.y / MULTIPLIER);
+		break;
+	case BTN_TRIANGLE: // Escape (+R_trigger: Return)
+		if (!_km.modifier) {
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = Common::KEYCODE_ESCAPE;
+			event.kbd.ascii = mapKey(SDLK_ESCAPE, (SDLMod) ev.key.keysym.mod, 0);
+		} else {
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = Common::KEYCODE_RETURN;
+			event.kbd.ascii = mapKey(SDLK_RETURN, (SDLMod) ev.key.keysym.mod, 0);
+		}
+		break;
+	case BTN_SQUARE: // Period (+R_trigger: Space)
+		if (!_km.modifier) {
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = Common::KEYCODE_PERIOD;
+			event.kbd.ascii = mapKey(SDLK_PERIOD, (SDLMod) ev.key.keysym.mod, 0);
+		} else {
+			event.type = Common::EVENT_KEYDOWN;
+			event.kbd.keycode = Common::KEYCODE_SPACE;
+			event.kbd.ascii = mapKey(SDLK_SPACE, (SDLMod) ev.key.keysym.mod, 0);
+		}
+		break;
+	case BTN_L1: // Game menu
+		event.type = Common::EVENT_KEYDOWN;
+		event.kbd.keycode = Common::KEYCODE_F5;
+		event.kbd.ascii = mapKey(SDLK_F5, (SDLMod) ev.key.keysym.mod, 0);
+		break;
+	case BTN_R1: // Modifier + Shift
+		_km.modifier=true; // slow mouse
+		event.type = Common::EVENT_KEYDOWN;
+		event.kbd.keycode = Common::KEYCODE_INVALID;
+		event.kbd.ascii = 0;
+		event.kbd.flags = Common::KBD_SHIFT;
+		break;
+	case BTN_START: // ScummVM in game menu
+		event.type = Common::EVENT_MAINMENU;
+		break;
+	case BTN_SELECT: // Virtual keyboard (+R_trigger: Predictive Input Dialog)
+		if (!_km.modifier) {
+#ifdef ENABLE_VKEYBD
+			event.type = Common::EVENT_VIRTUAL_KEYBOARD;
+#endif
+		} else {
+			event.type = Common::EVENT_PREDICTIVE_DIALOG;
+		}
+		break;
+	}
+	return true;
+}
+
+bool PSP2EventSource::handleJoyButtonUp(SDL_Event &ev, Common::Event &event) {
+
+	event.kbd.flags = 0;
+
+	switch (ev.jbutton.button) {
+// Dpad
+	case BTN_LEFT: // Left (+R_trigger: Up+Left)
+		if (!_km.modifier) {
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = Common::KEYCODE_KP4;
+			event.kbd.ascii = mapKey(SDLK_KP4, (SDLMod) ev.key.keysym.mod, 0);
+		} else {
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = Common::KEYCODE_KP7;
+			event.kbd.ascii = mapKey(SDLK_KP7, (SDLMod) ev.key.keysym.mod, 0);
+		}
+		break;
+	case BTN_RIGHT: // Right (+R_trigger: Down+Right)
+		if (!_km.modifier) {
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = Common::KEYCODE_KP6;
+			event.kbd.ascii = mapKey(SDLK_KP6, (SDLMod) ev.key.keysym.mod, 0);
+		} else {
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = Common::KEYCODE_KP3;
+			event.kbd.ascii = mapKey(SDLK_KP3, (SDLMod) ev.key.keysym.mod, 0);
+		}
+		break;
+	case BTN_UP: // Up (+R_trigger: Up+Right)
+		if (!_km.modifier) {
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = Common::KEYCODE_KP8;
+			event.kbd.ascii = mapKey(SDLK_KP8, (SDLMod) ev.key.keysym.mod, 0);
+		} else {
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = Common::KEYCODE_KP9;
+			event.kbd.ascii = mapKey(SDLK_KP9, (SDLMod) ev.key.keysym.mod, 0);
+		}
+		break;
+	case BTN_DOWN: // Down (+R_trigger: Down+Left)
+		if (!_km.modifier) {
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = Common::KEYCODE_KP2;
+			event.kbd.ascii = mapKey(SDLK_KP2, (SDLMod) ev.key.keysym.mod, 0);
+		} else {
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = Common::KEYCODE_KP1;
+			event.kbd.ascii = mapKey(SDLK_KP1, (SDLMod) ev.key.keysym.mod, 0);
+		}
+		break;
+// Buttons
+	case BTN_CROSS: // Left mouse button
+		event.type = Common::EVENT_LBUTTONUP;
+		processMouseEvent(event, _km.x / MULTIPLIER, _km.y / MULTIPLIER);
+		break;
+	case BTN_CIRCLE: // Right mouse button
+		event.type = Common::EVENT_RBUTTONUP;
+		processMouseEvent(event, _km.x / MULTIPLIER, _km.y / MULTIPLIER);
+		break;
+	case BTN_TRIANGLE: // Escape (+R_trigger: Return)
+		if (!_km.modifier) {
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = Common::KEYCODE_ESCAPE;
+			event.kbd.ascii = mapKey(SDLK_ESCAPE, (SDLMod) ev.key.keysym.mod, 0);
+		} else {
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = Common::KEYCODE_RETURN;
+			event.kbd.ascii = mapKey(SDLK_RETURN, (SDLMod) ev.key.keysym.mod, 0);
+		}
+		break;
+	case BTN_SQUARE: // Period (+R_trigger: Space)
+		if (!_km.modifier) {
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = Common::KEYCODE_PERIOD;
+			event.kbd.ascii = mapKey(SDLK_PERIOD, (SDLMod) ev.key.keysym.mod, 0);
+		} else {
+			event.type = Common::EVENT_KEYUP;
+			event.kbd.keycode = Common::KEYCODE_SPACE;
+			event.kbd.ascii = mapKey(SDLK_SPACE, (SDLMod) ev.key.keysym.mod, 0);
+		}
+		break;
+	case BTN_L1: // Game menu
+		event.type = Common::EVENT_KEYUP;
+		event.kbd.keycode = Common::KEYCODE_F5;
+		event.kbd.ascii = mapKey(SDLK_F5, (SDLMod) ev.key.keysym.mod, 0);
+		break;
+	case BTN_R1: // Modifier + SHIFT Key
+		_km.modifier = false; // slow mouse
+		event.type = Common::EVENT_KEYUP;
+		event.kbd.keycode = Common::KEYCODE_INVALID;
+		event.kbd.ascii = 0;
+		event.kbd.flags = 0;
+		break;
+	case BTN_START: // ScummVM in game menu
+		// Handled in key down
+		break;
+	case BTN_SELECT: // Virtual keyboard (+R_trigger: Predictive Input Dialog)
+		// Handled in key down
+		break;
+	}
+	return true;
+}
+
+bool PSP2EventSource::handleJoyAxisMotion(SDL_Event &ev, Common::Event &event) {
+
+	int axis = ev.jaxis.value;
+	
+	// conversion factor between keyboard mouse and joy axis value
+	int vel_to_axis = (1500 / MULTIPLIER);
+
+	if (ev.jaxis.axis == JOY_XAXIS) {
+		_km.joy_x = axis;
+	} else if (ev.jaxis.axis == JOY_YAXIS) {
+		axis = -axis;
+		_km.joy_y = -axis;
+	}
+	
+	// radial and scaled deadzone
+
+	float analogX = (float)_km.joy_x;
+	float analogY = (float)_km.joy_y;
+	float deadZone = (float)JOY_DEADZONE;
+	if (g_system->hasFeature(OSystem::kFeatureJoystickDeadzone))
+		deadZone = (float)ConfMan.getInt("joystick_deadzone") * 1000.0f;
+	float scalingFactor = 1.0f;
+	float magnitude = 0.0f;
+
+	magnitude = sqrt(analogX * analogX + analogY * analogY);
+
+	if (magnitude >= deadZone) {
+		_km.x_down_count = 0;
+		_km.y_down_count = 0;
+		scalingFactor = 1.0f / magnitude * (magnitude - deadZone) / (32769.0f - deadZone);
+		_km.x_vel = (int16)(analogX * scalingFactor * 32768.0f / (float) vel_to_axis);
+		_km.y_vel = (int16)(analogY * scalingFactor * 32768.0f / (float) vel_to_axis);
+	} else {
+		_km.x_vel = 0;
+		_km.y_vel = 0;
+	}
+
+	return false;
+}
+
+void PSP2EventSource::preprocessEvents(SDL_Event *event) {
+
+	// prevent suspend (scummvm games contains a lot of cutscenes..)
+	sceKernelPowerTick(SCE_KERNEL_POWER_TICK_DISABLE_AUTO_SUSPEND);
+	sceKernelPowerTick(SCE_KERNEL_POWER_TICK_DISABLE_OLED_OFF);
+}
+
+#endif
diff --git a/backends/events/psp2sdl/psp2sdl-events.h b/backends/events/psp2sdl/psp2sdl-events.h
new file mode 100644
index 0000000000..001312e1d5
--- /dev/null
+++ b/backends/events/psp2sdl/psp2sdl-events.h
@@ -0,0 +1,39 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#if !defined(DISABLE_DEFAULT_EVENTMANAGER)
+#define BACKEND_EVENTS_PSP2_H
+
+#include "backends/events/sdl/sdl-events.h"
+
+/**
+ * SDL Events manager for the PSP2.
+ */
+class PSP2EventSource : public SdlEventSource {
+protected:
+	bool handleJoyButtonDown(SDL_Event &ev, Common::Event &event);
+	bool handleJoyButtonUp(SDL_Event &ev, Common::Event &event);
+	bool handleJoyAxisMotion(SDL_Event &ev, Common::Event &event);
+	void preprocessEvents(SDL_Event *event);
+};
+
+#endif /* BACKEND_EVENTS_PSP2_H */