From 70bf37327154c2947ae23d240cde5dbe3a34abc5 Mon Sep 17 00:00:00 2001
From: RadialApps <radialapps@gmail.com>
Date: Tue, 8 Aug 2017 16:07:43 +0530
Subject: [PATCH] Fix things for Android

---
 .gitignore          |   1 +
 Android.mk          |  88 +++++++++++++++++++++++++++++++++
 make_xxd.sh         |   9 ++++
 src/config.cpp      |  87 +++++++++++++++++++++++++++++++-
 src/config.h        |  47 ++++++++++++++++++
 src/eventthread.cpp |   2 +
 src/graphics.cpp    |  48 ++++++++++++++++++
 src/input.cpp       | 118 ++++++++++++++++++++++++++++++++++++++++++++
 src/main.cpp        |   1 +
 src/sharedstate.cpp |   5 +-
 10 files changed, 402 insertions(+), 4 deletions(-)
 create mode 100644 Android.mk
 create mode 100644 make_xxd.sh

diff --git a/.gitignore b/.gitignore
index 81a3690..6e4700b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+*.xxd
 *.o
 *.pro.*
 *.bak
diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..062fcb7
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,88 @@
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE:= mkxp
+LOCAL_CPPFLAGS:=-DSHARED_FLUID -DGLES2_HEADER -DFULL_MKXP_PATH=\"/data/data/com.radial.exitfate/files/mkxp.conf\"
+
+ifeq ($(TARGET_ARCH_ABI), armeabi)
+	LOCAL_CPPFLAGS += -DARCH_32BIT
+else ifeq ($(TARGET_ARCH_ABI), armeabi-v7a)
+	LOCAL_CPPFLAGS += -DARCH_32BIT
+else ifeq ($(TARGET_ARCH_ABI), x86)
+	LOCAL_CPPFLAGS += -DARCH_32BIT
+else ifeq ($(TARGET_ARCH_ABI), mips)
+	LOCAL_CPPFLAGS += -DARCH_32BIT
+endif
+
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/../OpenAL $(LOCAL_PATH)/../SDL_sound \
+	$(LOCAL_PATH)/../libsigc++ $(LOCAL_PATH) \
+	$(LOCAL_PATH)/../boost_headers $(LOCAL_PATH)/../pixman/pixman/pixman \
+	$(LOCAL_PATH)/../OpenAL/include/AL $(LOCAL_PATH)/../physfs/src \
+	$(LOCAL_PATH)/../vorbis-include $(LOCAL_PATH)/src $(LOCAL_PATH)/shader \
+	$(LOCAL_PATH)/assets $(LOCAL_PATH)/../ruby/include $(LOCAL_PATH)/../fluidsynth/include
+LOCAL_SRC_FILES := \
+	$(LOCAL_PATH)/src/main.cpp \
+	$(LOCAL_PATH)/src/audio.cpp \
+	$(LOCAL_PATH)/src/bitmap.cpp \
+	$(LOCAL_PATH)/src/eventthread.cpp \
+	$(LOCAL_PATH)/src/filesystem.cpp \
+	$(LOCAL_PATH)/src/font.cpp \
+	$(LOCAL_PATH)/src/input.cpp \
+	$(LOCAL_PATH)/src/plane.cpp \
+	$(LOCAL_PATH)/src/scene.cpp \
+	$(LOCAL_PATH)/src/sprite.cpp \
+	$(LOCAL_PATH)/src/table.cpp \
+	$(LOCAL_PATH)/src/tilequad.cpp \
+	$(LOCAL_PATH)/src/viewport.cpp \
+	$(LOCAL_PATH)/src/window.cpp \
+	$(LOCAL_PATH)/src/texpool.cpp \
+	$(LOCAL_PATH)/src/shader.cpp \
+	$(LOCAL_PATH)/src/glstate.cpp \
+	$(LOCAL_PATH)/src/tilemap.cpp \
+	$(LOCAL_PATH)/src/autotiles.cpp \
+	$(LOCAL_PATH)/src/graphics.cpp \
+	$(LOCAL_PATH)/src/gl-debug.cpp \
+	$(LOCAL_PATH)/src/etc.cpp \
+	$(LOCAL_PATH)/src/config.cpp \
+	$(LOCAL_PATH)/src/settingsmenu.cpp \
+	$(LOCAL_PATH)/src/keybindings.cpp \
+	$(LOCAL_PATH)/src/tileatlas.cpp \
+	$(LOCAL_PATH)/src/sharedstate.cpp \
+	$(LOCAL_PATH)/src/gl-fun.cpp \
+	$(LOCAL_PATH)/src/gl-meta.cpp \
+	$(LOCAL_PATH)/src/vertex.cpp \
+	$(LOCAL_PATH)/src/soundemitter.cpp \
+	$(LOCAL_PATH)/src/sdlsoundsource.cpp \
+	$(LOCAL_PATH)/src/alstream.cpp \
+	$(LOCAL_PATH)/src/audiostream.cpp \
+	$(LOCAL_PATH)/src/rgssad.cpp \
+	$(LOCAL_PATH)/src/bundledfont.cpp \
+	$(LOCAL_PATH)/src/vorbissource.cpp \
+	$(LOCAL_PATH)/src/windowvx.cpp \
+	$(LOCAL_PATH)/src/tilemapvx.cpp \
+	$(LOCAL_PATH)/src/tileatlasvx.cpp \
+	$(LOCAL_PATH)/src/autotilesvx.cpp \
+	$(LOCAL_PATH)/src/midisource.cpp \
+	$(LOCAL_PATH)/src/fluid-fun.cpp \
+	$(LOCAL_PATH)/binding-mri/binding-mri.cpp \
+	$(LOCAL_PATH)/binding-mri/binding-util.cpp \
+	$(LOCAL_PATH)/binding-mri/bitmap-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/table-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/etc-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/font-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/graphics-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/input-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/sprite-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/viewport-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/plane-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/window-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/tilemap-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/audio-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/module_rpg.cpp \
+	$(LOCAL_PATH)/binding-mri/filesystem-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/windowvx-binding.cpp \
+	$(LOCAL_PATH)/binding-mri/tilemapvx-binding.cpp \
+
+LOCAL_STATIC_LIBRARIES:=vorbis physfs sigc++ pixman boost_program_options ruby SDL2_static SDL2_ttf SDL2_sound SDL2_image fluidsynth ogg OpenAL
+LOCAL_LDLIBS:=-lz -llog -ldl -lm -lOpenSLES
+include $(BUILD_SHARED_LIBRARY)
diff --git a/make_xxd.sh b/make_xxd.sh
new file mode 100644
index 0000000..511366f
--- /dev/null
+++ b/make_xxd.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+rm -f shader/*.xxd*
+for i in $(ls shader); do
+	xxd -i "shader/$i" "shader/$i.xxd"
+done
+rm -f assets/*.xxd*
+for i in $(ls assets); do
+	xxd -i "assets/$i" "assets/$i.xxd"
+done
diff --git a/src/config.cpp b/src/config.cpp
index 33d8160..775316c 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -24,6 +24,8 @@
 #include <boost/program_options/options_description.hpp>
 #include <boost/program_options/parsers.hpp>
 #include <boost/program_options/variables_map.hpp>
+#include <boost/property_tree/ptree.hpp>
+#include <boost/property_tree/json_parser.hpp>
 
 #include <SDL_filesystem.h>
 
@@ -143,7 +145,7 @@ std::set<T> setFromVec(const std::vector<T> &vec)
 typedef std::vector<std::string> StringVec;
 namespace po = boost::program_options;
 
-#define CONF_FILE "mkxp.conf"
+#define CONF_FILE FULL_MKXP_PATH
 
 Config::Config()
 {}
@@ -175,14 +177,15 @@ void Config::read(int argc, char *argv[])
 	PO_DESC(dataPathOrg, std::string, "") \
 	PO_DESC(dataPathApp, std::string, "") \
 	PO_DESC(iconPath, std::string, "") \
+	PO_DESC(overlayPath, std::string, "") \
 	PO_DESC(execName, std::string, "Game") \
 	PO_DESC(titleLanguage, std::string, "") \
 	PO_DESC(midi.soundFont, std::string, "") \
 	PO_DESC(midi.chorus, bool, false) \
 	PO_DESC(midi.reverb, bool, false) \
 	PO_DESC(SE.sourceCount, int, 6) \
-	PO_DESC(customScript, std::string, "") \
 	PO_DESC(pathCache, bool, true) \
+	PO_DESC(customScript, std::string, "") \
 	PO_DESC(useScriptNames, bool, false)
 
 // Not gonna take your shit boost
@@ -406,3 +409,83 @@ void Config::readGameINI()
 
 	setupScreenSize(*this);
 }
+
+using namespace boost::property_tree;
+using namespace boost::property_tree::json_parser;
+static void
+parseOverlayButtonDesc(const ptree &pt, TouchOverlay::Button &out)
+{
+	out.id = pt.get<std::string>("id");
+	out.target = pt.get<std::string>("target");
+	out.x = pt.get<int>("x");
+	out.y = pt.get<int>("y");
+
+	const std::string &shape = pt.get<std::string>("shape");
+
+	if (shape == "rectangle")
+	{
+		out.shape = TouchOverlay::Button::Rectangle;
+		out.u.r.width = pt.get<int>("width");
+		out.u.r.height = pt.get<int>("height");
+	}
+	else if (shape == "circle")
+	{
+		out.shape = TouchOverlay::Button::Circle;
+		out.u.c.radius = pt.get<int>("radius");
+	}
+	else if (shape == "triangle")
+	{
+		out.shape = TouchOverlay::Button::Triangle;
+		out.u.t.x1 = pt.get<int>("x1");
+		out.u.t.y1 = pt.get<int>("y1");
+		out.u.t.x2 = pt.get<int>("x2");
+		out.u.t.y2 = pt.get<int>("y2");
+	}
+	else
+	{
+		throw std::logic_error("unknown button shape: " + shape);
+	}
+}
+
+static void
+parseOverlayDesc(const ptree &pt, TouchOverlay &out)
+{
+	out.image = pt.get<std::string>("image");
+
+	const ptree &buttons = pt.get_child("buttons");
+	for (ptree::const_iterator ci = buttons.begin(); ci != buttons.end(); ++ci)
+	{
+		const ptree &c = ci->second;
+		TouchOverlay::Button button;
+
+		parseOverlayButtonDesc(c, button);
+		out.buttons.push_back(button);
+	}
+}
+
+void Config::readOverlayDesc()
+{
+	SDLRWStream descFile(overlayPath.c_str(), "r");
+
+	if (descFile)
+	{
+		try
+		{
+			ptree json;
+			read_json(descFile.stream(), json);
+
+			TouchOverlay ol;
+			parseOverlayDesc(json, ol);
+
+			touchOverlay = ol;
+		}
+		catch (const std::exception &e)
+		{
+			Debug() << "Error parsing overlay descrption: " << e.what();
+		}
+	}
+	else
+	{
+		Debug() << "Didn't parse overlay desc cuz no file";
+	}
+}
diff --git a/src/config.h b/src/config.h
index d2d4650..5bc7261 100644
--- a/src/config.h
+++ b/src/config.h
@@ -26,6 +26,49 @@
 #include <vector>
 #include <set>
 
+struct TouchOverlay
+{
+	std::string image;
+
+	struct Button
+	{
+		enum Shape
+		{
+			Rectangle,
+			Circle,
+			Triangle
+		};
+
+		std::string id;
+		std::string target;
+		Shape shape;
+
+		int x;
+		int y;
+
+		union
+		{
+			struct
+			{
+				int width;
+				int height;
+			} r;
+
+			struct
+			{
+				int radius;
+			} c;
+			struct
+			{
+				int x1, y1;
+				int x2, y2;
+			} t;
+		} u;
+	};
+
+	std::vector<Button> buttons;
+};
+
 struct Config
 {
 	int rgssVersion;
@@ -62,6 +105,7 @@ struct Config
 	std::string dataPathApp;
 
 	std::string iconPath;
+	std::string overlayPath;
 	std::string execName;
 	std::string titleLanguage;
 
@@ -97,10 +141,13 @@ struct Config
 	std::string customDataPath;
 	std::string commonDataPath;
 
+	TouchOverlay touchOverlay;
+
 	Config();
 
 	void read(int argc, char *argv[]);
 	void readGameINI();
+	void readOverlayDesc();
 };
 
 #endif // CONFIG_H
diff --git a/src/eventthread.cpp b/src/eventthread.cpp
index 08b6c29..5f4d8a4 100644
--- a/src/eventthread.cpp
+++ b/src/eventthread.cpp
@@ -267,6 +267,7 @@ void EventThread::process(RGSSThreadData &rtData)
 				break;
 			}
 
+#ifndef __ANDROID__
 			if (event.key.keysym.scancode == SDL_SCANCODE_F1)
 			{
 				if (!sMenu)
@@ -277,6 +278,7 @@ void EventThread::process(RGSSThreadData &rtData)
 
 				sMenu->raise();
 			}
+#endif
 
 			if (event.key.keysym.scancode == SDL_SCANCODE_F2)
 			{
diff --git a/src/graphics.cpp b/src/graphics.cpp
index 6a12cb3..00ddd08 100644
--- a/src/graphics.cpp
+++ b/src/graphics.cpp
@@ -476,6 +476,9 @@ struct GraphicsPrivate
 	TEXFBO frozenScene;
 	Quad screenQuad;
 
+	TEX::ID overlayTex;
+	Vec2i overlayTexSize;
+
 	/* Global list of all live Disposables
 	 * (disposed on reset) */
 	IntruList<Disposable> dispList;
@@ -504,6 +507,29 @@ struct GraphicsPrivate
 		screenQuad.setTexPosRect(screenRect, screenRect);
 
 		fpsLimiter.resetFrameAdjust();
+		
+		const std::string &olImage = rtData->config.touchOverlay.image;
+		if (!olImage.empty())
+		{
+			SDL_RWops *ops = SDL_RWFromFile(olImage.c_str(), "rb");
+			SDL_Surface *surf = IMG_Load_RW(ops, 1);
+
+			if (surf)
+			{
+				overlayTex = TEX::gen();
+
+				TEX::bind(overlayTex);
+				TEX::setRepeat(false);
+				TEX::setSmooth(true);
+				TEX::uploadImage(surf->w, surf->h, surf->pixels, GL_RGBA);
+
+				overlayTexSize = Vec2i(surf->w, surf->h);
+			}
+			else
+			{
+				Debug() << "failed to load overlay image:" << SDL_GetError();
+			}
+		}
 	}
 
 	~GraphicsPrivate()
@@ -598,9 +624,30 @@ struct GraphicsPrivate
 		                      threadData->config.smoothScaling);
 	}
 
+	void drawOverlay()
+	{
+		if (overlayTex == TEX::ID(0))
+			return;
+
+		SimpleShader &shader = shState->shaders().simple;
+		shader.bind();
+		shader.applyViewportProj();
+		shader.setTexSize(overlayTexSize);
+		shader.setTranslation(Vec2i());
+
+		glState.blend.pushSet(true);
+
+		TEX::bind(overlayTex);
+		screenQuad.draw();
+
+		glState.blend.pop();
+	}
+
+
 	void redrawScreen()
 	{
 		screen.composite();
+		drawOverlay();
 
 		GLMeta::blitBeginScreen(winSize);
 		GLMeta::blitSource(screen.getPP().frontBuffer());
@@ -787,6 +834,7 @@ void Graphics::transition(int duration,
 		FBO::bind(transBuffer.fbo);
 		FBO::clear();
 		p->screenQuad.draw();
+		p->drawOverlay();
 
 		p->checkResize();
 
diff --git a/src/input.cpp b/src/input.cpp
index 22dab5d..c9a9565 100644
--- a/src/input.cpp
+++ b/src/input.cpp
@@ -32,6 +32,7 @@
 #include <vector>
 #include <string.h>
 #include <assert.h>
+#include <math.h>
 
 #define BUTTON_CODE_COUNT 24
 
@@ -202,6 +203,114 @@ struct MsBinding : public Binding
 	int index;
 };
 
+static Input::ButtonCode bcFromString(const std::string &str)
+{
+#define BC_CASE(button) \
+	else if (str == #button) \
+		return Input:: button
+
+	if (false) {}
+	BC_CASE(Down);
+	BC_CASE(Left);
+	BC_CASE(Right);
+	BC_CASE(Up);
+	BC_CASE(A);
+	BC_CASE(B);
+	BC_CASE(C);
+	BC_CASE(X);
+	BC_CASE(Y);
+	BC_CASE(Z);
+	BC_CASE(L);
+	BC_CASE(R);
+
+	return Input::None;
+}
+
+static TouchOverlay::Button dummyOlButton;
+
+static int areaSign(int x0, int y0, int x1, int y1, int x2, int y2)
+{
+    return (x0 - x2) * (y1 - y2) - (x1 - x2) * (y0 - y2);
+}
+
+/* Touch overlay binding */
+struct OlBinding : public Binding
+{
+	OlBinding()
+	    : olb(dummyOlButton)
+	{}
+
+	OlBinding(const TouchOverlay::Button &b)
+	    : Binding(bcFromString(b.target)),
+	      olb(b)
+	{}
+
+	bool sourceActive() const
+	{
+		const Vec2i &scOffset = shState->rtData().screenOffset;
+		const Vec2 &resoRatio = shState->rtData().sizeResoRatio;
+
+		for (size_t i = 0; i < MAX_FINGERS; ++i)
+		{
+			EventThread::FingerState &f = EventThread::touchState.fingers[i];
+
+			if (!f.down)
+				continue;
+
+			int x = (f.x - scOffset.x) * resoRatio.x;
+			int y = (f.y - scOffset.y) * resoRatio.y;
+
+			switch (olb.shape)
+			{
+			case TouchOverlay::Button::Rectangle :
+			{
+				if ((x >= olb.x && x <= olb.x + olb.u.r.width)
+				&&   y >= olb.y && y <= olb.y + olb.u.r.height)
+					return true;
+
+				break;
+			}
+			case TouchOverlay::Button::Circle :
+			{
+				int dx = x - olb.x;
+				int dy = y - olb.y;
+				int d = sqrt(dx*dx + dy*dy);
+
+				if (d <= olb.u.c.radius)
+					return true;
+
+				break;
+			}
+			case TouchOverlay::Button::Triangle :
+			{
+				bool s0, s1, s2;
+
+				s0 = areaSign(x, y, olb.x, olb.y, olb.u.t.x1, olb.u.t.y1) < 0;
+				s1 = areaSign(x, y, olb.u.t.x1, olb.u.t.y1, olb.u.t.x2, olb.u.t.y2) < 0;
+				s2 = areaSign(x, y, olb.u.t.x2, olb.u.t.y2, olb.x, olb.y) < 0;
+
+				if ((s0 == s1) && (s1 == s2))
+					return true;
+
+				break;
+			}
+			}
+		}
+
+		return false;
+	}
+
+	bool sourceRepeatable() const
+	{
+		return true;
+	}
+
+	TouchOverlay::Button olb;
+};
+
+
+
+
 /* Not rebindable */
 static const KbBindingData staticKbBindings[] =
 {
@@ -272,6 +381,7 @@ struct InputPrivate
 	std::vector<JsHatBinding> jsHBindings;
 	std::vector<JsButtonBinding> jsBBindings;
 	std::vector<MsBinding> msBindings;
+	std::vector<OlBinding> olBindings;
 
 	/* Collective binding array */
 	std::vector<Binding*> bindings;
@@ -300,6 +410,7 @@ struct InputPrivate
 	{
 		initStaticKbBindings();
 		initMsBindings();
+		initOlBindings(rtData.config.touchOverlay);
 
 		/* Main thread should have these posted by now */
 		checkBindingChange(rtData);
@@ -439,6 +550,7 @@ struct InputPrivate
 
 		appendBindings(kbStatBindings);
 		appendBindings(msBindings);
+		appendBindings(olBindings);
 
 		appendBindings(kbBindings);
 		appendBindings(jsABindings);
@@ -464,6 +576,12 @@ struct InputPrivate
 		msBindings[i++] = MsBinding(SDL_BUTTON_RIGHT,  Input::MouseRight);
 	}
 
+	void initOlBindings(const TouchOverlay &ol)
+	{
+		for (size_t i = 0; i < ol.buttons.size(); ++i)
+			olBindings.push_back(OlBinding(ol.buttons[i]));
+	}
+
 	void pollBindings(Input::ButtonCode &repeatCand)
 	{
 		for (size_t i = 0; i < bindings.size(); ++i)
diff --git a/src/main.cpp b/src/main.cpp
index 1a3fc4e..e47e12e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -232,6 +232,7 @@ int main(int argc, char *argv[])
 		}
 
 	conf.readGameINI();
+	conf.readOverlayDesc();
 
 	assert(conf.rgssVersion >= 1 && conf.rgssVersion <= 3);
 	printRgssVersion(conf.rgssVersion);
diff --git a/src/sharedstate.cpp b/src/sharedstate.cpp
index 68d1097..50e1f6c 100644
--- a/src/sharedstate.cpp
+++ b/src/sharedstate.cpp
@@ -127,8 +127,9 @@ struct SharedStatePrivate
 			fclose(tmp);
 		}
 
+#ifndef __ANDROID__
 		fileSystem.addPath(".");
-
+#endif
 		for (size_t i = 0; i < config.rtps.size(); ++i)
 			fileSystem.addPath(config.rtps[i].c_str());
 
@@ -136,7 +137,6 @@ struct SharedStatePrivate
 			fileSystem.createPathCache();
 
 		fileSystem.initFontSets(fontState);
-
 		globalTexW = 128;
 		globalTexH = 64;
 
@@ -154,6 +154,7 @@ struct SharedStatePrivate
 
 		/* RGSS3 games will call setup_midi, so there's
 		 * no need to do it on startup */
+
 		if (rgssVer <= 2)
 			midiState.initIfNeeded(threadData->config);
 	}