From: Patrik Gornicz <Gornicz.P@gmail.com>
Date: Thu, 17 Jul 2008 01:36:26 +0000 (-0400)
Subject: input system setup, debug header started
X-Git-Tag: v0.01~35
X-Git-Url: http://gitweb.pgornicz.com/gitweb.cgi?p=physics.git;a=commitdiff_plain;h=f7b3b2eb35e8047d247dfd7cf7b110a2b6e907af

input system setup, debug header started
---

diff --git a/src/Makefile b/src/Makefile
index 7ef5006..4a51706 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -28,6 +28,8 @@ SRCS += GameStates/GameState.cpp
 SRCS += GameStates/Paused.cpp
 SRCS += GameStates/Running.cpp
 
+SRCS += input/inputManager.cpp
+
 OBJS = ${SRCS:.cpp=.o}
 
 TARGET = ../run_physics
diff --git a/src/debug.h b/src/debug.h
new file mode 100644
index 0000000..c8dfdb4
--- /dev/null
+++ b/src/debug.h
@@ -0,0 +1,12 @@
+#ifndef DEBUG_H
+#define DEBUG_H
+
+// comment out when not debugging
+#define DEBUGGING
+
+#include <iostream>
+using std::cerr;
+using std::cout;
+using std::endl;
+
+#endif // DEBUG_H
diff --git a/src/graphics.cpp b/src/graphics.cpp
index 42c2e6d..0f84d20 100644
--- a/src/graphics.cpp
+++ b/src/graphics.cpp
@@ -5,15 +5,12 @@
 #include <SDL/SDL.h>
 #include <cmath>
 
-#include <iostream>
-using std::cerr;
-using std::cout;
-using std::endl;
-
+#include "debug.h"
 
 static const float PI = 3.1415926535897;
 
 /// ***** Private Method Headers *****
+void drawCircle(int);
 void sdlInit();
 void glInit();
 
@@ -30,23 +27,35 @@ void graphicsCleanUp()
 
 }
 
-void glDrawCircle()
+void glDrawCircle(float radius, float x, float y, const float* color)
 {
-    int num = 32;
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glTranslatef(x, y, -1);
+    glScalef(radius, radius, radius);
+
+    if(color != NULL)
+        glColor3fv(color);
+
+    drawCircle(32);
+}
+
+/// ***** Private Methods *****
 
+void drawCircle(int pieces)
+{
     glBegin(GL_POLYGON);
-        for(int n = 0; n < num; n++)
+        for(int n = 0; n < pieces; n++)
         {
-            float angle = 2 * PI * n / num;
-            float x = cos(angle);
-            float y = sin(angle);
+            float angle = 2 * PI * n / pieces;
+            float ix = cos(angle);
+            float iy = sin(angle);
 
-            glVertex3f(x, y, -1);
+            glVertex3f(ix, iy, 0);
         }
     glEnd();
 }
 
-/// ***** Private Methods *****
 void sdlInit()
 {
     if(SDL_Init(SDL_INIT_VIDEO) < 0)
@@ -74,7 +83,7 @@ void glInit()
     glMatrixMode(GL_PROJECTION);
     glLoadIdentity();
 
-    glOrtho(-20.0, 20.0, -15.0, 15.0, -0.01, 1.01);
+    glOrtho(0, 800.0, 600.0, 0.0, -0.01, 1.01);
 
     glMatrixMode(GL_MODELVIEW);
     glLoadIdentity();
diff --git a/src/graphics.h b/src/graphics.h
index c3d5276..43505a6 100644
--- a/src/graphics.h
+++ b/src/graphics.h
@@ -5,6 +5,6 @@
 void graphicsInit();
 void graphicsCleanUp();
 
-void glDrawCircle();
+void glDrawCircle(float radius, float x, float y, const float* color = 0);
 
 #endif // GRAPHICS_H
diff --git a/src/input/inputManager.cpp b/src/input/inputManager.cpp
new file mode 100644
index 0000000..e8b92c6
--- /dev/null
+++ b/src/input/inputManager.cpp
@@ -0,0 +1,64 @@
+
+#include "inputManager.h"
+#include "../debug.h"
+
+enum State
+{
+    isR,
+    wasP,
+    isP,
+    wasR
+};
+
+static const int keySize = 323;
+static State keyState[keySize];
+
+void inputInit()
+{
+    for(int i=0; i< keySize; i++)
+        keyState[i] = isR;
+}
+
+void inputUpdate()
+{
+    SDL_Event event;
+
+    for(int i=0; i< keySize; i++)
+    {
+        if(keyState[i] == wasR)
+            keyState[i] = isR;
+        else if(keyState[i] == wasP)
+            keyState[i] = isP;
+    }
+
+    while(SDL_PollEvent(&event))
+    {
+        switch(event.type)
+        {
+        case SDL_KEYUP:
+            keyState[event.key.keysym.sym] = wasR;
+            break;
+        case SDL_KEYDOWN:
+            keyState[event.key.keysym.sym] = wasP;
+            break;
+        }
+    }
+}
+
+bool isPressed(Uint8 key)
+{
+    return keyState[key] == isP || keyState[key] == wasP;
+}
+bool isReleased(Uint8 key)
+{
+    return keyState[key] == isR || keyState[key] == wasR;
+}
+
+bool wasPressed(Uint8 key)
+{
+    return keyState[key] == wasP;
+}
+bool wasReleased(Uint8 key)
+{
+    return keyState[key] == wasR;
+}
diff --git a/src/input/inputManager.h b/src/input/inputManager.h
new file mode 100644
index 0000000..411dcc2
--- /dev/null
+++ b/src/input/inputManager.h
@@ -0,0 +1,15 @@
+#ifndef INPUT_H
+#define INPUT_H
+
+#include <SDL/SDL.h>
+
+/// ***** Header Methods *****
+void inputUpdate();
+
+bool isPressed(Uint8);
+bool isReleased(Uint8);
+
+bool wasPressed(Uint8);
+bool wasReleased(Uint8);
+
+#endif // INPUT_H
diff --git a/src/main.cpp b/src/main.cpp
index df9f490..fd14612 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2,17 +2,15 @@
 #include <GL/glu.h>
 #include <SDL/SDL.h>
 
-#include <iostream>
-using std::cerr;
-using std::cout;
-using std::endl;
-
 #include <vector>
 using std::vector;
 
+#include "debug.h"
+
 #include "game.h"
 #include "ticks.h"
 #include "graphics.h"
+#include "input/inputManager.h"
 
 
 /// ***** Private Method Headers *****
@@ -74,11 +72,15 @@ void init()
     // TODO
     // add a game state
 
+#ifdef DEBUGGING
     cout << "Initialization Complete" << endl;
+#endif
 
     // create starting entities
 
+#ifdef DEBUGGING
     cout << "World Created" << endl;
+#endif
 }
 
 void run()
@@ -145,12 +147,12 @@ void updateFPSCounters()
 
 void input()
 {
+    inputUpdate();
+
     gameInput();
 
-    /*
-    if(key[KEY_ESC])
+    if(isPressed(SDLK_ESCAPE))
         is_Running = false;
-    */
 }
 
 void update(float time_step)