Make the game playable using only a gamepad.

diff --git a/src/CEngine.cpp b/src/CEngine.cpp
index 45f30eff7d65632ea499b839addaa083a480a5d2..5c44b96040178d74e50fc8bb4fb3e3207708e567 100644 (file)
--- a/src/CEngine.cpp
+++ b/src/CEngine.cpp
@@ -241,17 +241,21 @@ void Engine::getInput()
                        case SDL_JOYAXISMOTION:
                                if (event.jaxis.axis == 0)
                                {
-                                 joyX = event.jaxis.value;
+                                       joyX = event.jaxis.value;
+                                       int joycurX = joyX < -25000 ? -1 : joyX > 25000 ? 1 : 0;
+                                       if (joycurX != joyprevX)
+                                               joykeyX = joyprevX = joycurX;
                                }
                                else if (event.jaxis.axis == 1)
                                {
-                                 joyY = event.jaxis.value;
+                                       joyY = event.jaxis.value;
+                                       int joycurY = joyY < -25000 ? -1 : joyY > 25000 ? 1 : 0;
+                                       if (joycurY != joyprevY)
+                                               joykeyY = joyprevY = joycurY;
                                }
-                               
                                break;
 
                        case SDL_JOYBUTTONDOWN:
-                       
                                if (waitForButton)
                                {
                                        lastButtonPressed = event.jbutton.button;
@@ -263,10 +267,12 @@ void Engine::getInput()
                                }
                                
                                joystickState[event.jbutton.button] = 1;
+                               joykeyFire = true;
                                break;
 
                        case SDL_JOYBUTTONUP:
                                joystickState[event.jbutton.button] = 0;
+                               joykeyFire = false;
                                break;
 
                        case SDL_WINDOWEVENT:
@@ -297,7 +303,7 @@ void Engine::setMouse(int x, int y)
 
 bool Engine::userAccepts()
 {
-       if ((keyState[SDL_SCANCODE_SPACE]) || (keyState[SDL_SCANCODE_ESCAPE]) || (keyState[SDL_SCANCODE_LCTRL]) || (keyState[SDL_SCANCODE_RCTRL]) || (keyState[SDL_SCANCODE_RETURN]) || (keyState[SDL_SCANCODE_LCTRL]))
+       if ((keyState[SDL_SCANCODE_SPACE]) || (keyState[SDL_SCANCODE_ESCAPE]) || (keyState[SDL_SCANCODE_LCTRL]) || (keyState[SDL_SCANCODE_RCTRL]) || (keyState[SDL_SCANCODE_RETURN]) || (keyState[SDL_SCANCODE_LCTRL]) || joykeyFire)
        {
                return true;
        }
@@ -315,6 +321,8 @@ void Engine::clearInput()
        memset(keyState, 0, sizeof keyState);
 
        mouseLeft = mouseRight = 0;
+       joykeyX = joykeyY = 0;
+       joykeyFire = false;
 }
 
 void Engine::setUserHome(const char *path)
@@ -738,21 +746,21 @@ int Engine::processWidgets()
 {
        int update = 0;
 
-       if (keyState[SDL_SCANCODE_UP])
+       if (keyState[SDL_SCANCODE_UP] || joykeyY < 0)
        {
                highlightWidget(-1);
                update = 1;
                clearInput();
        }
 
-       if (keyState[SDL_SCANCODE_DOWN])
+       if (keyState[SDL_SCANCODE_DOWN] || joykeyY > 0)
        {
                highlightWidget(1);
                update = 1;
                clearInput();
        }
 
-       if (keyState[SDL_SCANCODE_LEFT] && (highlightedWidget->type != WG_BUTTON && highlightedWidget->type != WG_JOYPAD))
+       if ((keyState[SDL_SCANCODE_LEFT] || joykeyX < 0) && (highlightedWidget->type != WG_BUTTON && highlightedWidget->type != WG_JOYPAD))
        {
                SDL_Delay(1);
 
@@ -769,7 +777,7 @@ int Engine::processWidgets()
                        clearInput();
        }
 
-       if (keyState[SDL_SCANCODE_RIGHT] && (highlightedWidget->type != WG_BUTTON && highlightedWidget->type != WG_JOYPAD))
+       if ((keyState[SDL_SCANCODE_RIGHT] || joykeyX > 0) && (highlightedWidget->type != WG_BUTTON && highlightedWidget->type != WG_JOYPAD))
        {
                SDL_Delay(1);
 
@@ -786,7 +794,7 @@ int Engine::processWidgets()
                        clearInput();
        }
 
-       if ((keyState[SDL_SCANCODE_RETURN]) || (keyState[SDL_SCANCODE_SPACE]) || (keyState[SDL_SCANCODE_LCTRL]))
+       if ((keyState[SDL_SCANCODE_RETURN]) || (keyState[SDL_SCANCODE_SPACE]) || (keyState[SDL_SCANCODE_LCTRL]) || (joykeyFire && highlightedWidget->type != WG_JOYPAD))
        {
                if (highlightedWidget->value == NULL)
                {
@@ -826,6 +834,39 @@ int Engine::processWidgets()
                clearInput();
        }
 
+       if (joykeyX > 0 && highlightedWidget->type == WG_JOYPAD)
+       {
+               waitForButton = true;
+               waitForKey = false;
+               allowJoypad = true;
+
+               if (*highlightedWidget->value > -1000)
+               {
+                       *highlightedWidget->value = (-1000 - *highlightedWidget->value);
+               }
+
+               clearInput();
+       }
+
+       if (joykeyX < 0 && highlightedWidget->type == WG_JOYPAD)
+       {
+               if (waitForButton)
+               {
+                       lastButtonPressed = -1;
+                       *highlightedWidget->value = abs(*highlightedWidget->value) - 1000;
+               }
+               else
+               {
+                       lastButtonPressed = -2;
+                       *highlightedWidget->value = -2;
+               }
+
+               waitForButton = false;
+               allowJoypad = false;
+               highlightedWidget->redraw();
+               clearInput();
+       }
+
        return update;
 }
 

diff --git a/src/CEngine.h b/src/CEngine.h
index 81c1556dc7fa6db24f7523945cc4c88a0478ba4c..d0a8c7492312446331f8a647d9fddef1a6a49900 100644 (file)
--- a/src/CEngine.h
+++ b/src/CEngine.h
@@ -49,6 +49,9 @@ class Engine {
                char mouseLeft, mouseRight;
                
                int joyX, joyY;
+               int joyprevX, joyprevY;
+               int joykeyX, joykeyY;
+               bool joykeyFire;
                int joystickState[32]; // hopefully no one has a joystick with this many buttons(!)
                bool waitForButton;
                bool waitForKey;

diff --git a/src/init.cpp b/src/init.cpp
index 33592b8cb7216a4e3e43a390715a7a09e1492fe9..d3bfea504f34d370533db4df0d4adf51e76a98a5 100644 (file)
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -83,7 +83,7 @@ void showLicense()
                graphics.updateScreen();
                engine.getInput();
                config.populate();
-               if (engine.keyState[SDL_SCANCODE_SPACE])
+               if (engine.userAccepts())
                        break;
                SDL_Delay(16);
        }