Large tiles-related changes. Platform-specific rendering removed and replaced with SDL/OpenGL.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6550 c06c8d41-db1a-0410-9941-cceddc491573

1 files changed, 186 insertions, 0 deletions

diff --git a/crawl-ref/source/tilesdl.h b/crawl-ref/source/tilesdl.h
new file mode 100644
index 0000000000..5f0032ebec
--- /dev/null
+++ b/crawl-ref/source/tilesdl.h
@@ -0,0 +1,186 @@
+/*
+ *  File:       tilesdl.h
+ *  Summary:    SDL-related functionality for the tiles port
+ *  Written by: Enne Walker
+ */
+
+#ifdef USE_TILE
+#ifndef TILESDL_H
+#define TILESDL_H
+
+#include "debug.h"
+#include "externs.h"
+#include "FixVec.h"
+#include "tilereg.h"
+
+// This struct defines all of the state that any particular rendering needs.
+// If other rendering states are needed, they should be added here so that
+// they do not introduce unneeded side effects for other parts of the code
+// that have not thought about turning that new state off.
+struct GLState
+{
+    GLState();
+
+    // vertex arrays
+    bool array_vertex;
+    bool array_texcoord;
+    bool array_colour;
+
+    // render state
+    bool blend;
+    bool texture;
+};
+
+enum key_mod
+{
+    MOD_SHIFT = 0x1,
+    MOD_CTRL  = 0x2,
+    MOD_ALT   = 0x4
+};
+
+struct MouseEvent
+{
+    enum mouse_event_type 
+    {
+        PRESS,
+        RELEASE,
+        MOVE
+    };
+
+    enum mouse_event_button
+    {
+        NONE        = 0x00,
+        LEFT        = 0x01,
+        MIDDLE      = 0x02,
+        RIGHT       = 0x04,
+        SCROLL_UP   = 0x08,
+        SCROLL_DOWN = 0x10
+    };
+
+    // kind of event 
+    mouse_event_type event;
+    // if PRESS or RELEASE, the button pressed
+    mouse_event_button button;
+    // bitwise-or of buttons currently pressed
+    unsigned short held;
+    // bitwise-or of key mods currently pressed
+    unsigned char mod;
+    // location of events in pixels and in window coordinate space
+    unsigned int px;
+    unsigned int py;
+};
+
+class GLStateManager
+{
+public:
+    static void init();
+    static void set(const GLState& state);
+};
+
+class SDL_Surface;
+class FTFont;
+
+class TilesFramework
+{
+public:
+    TilesFramework();
+    virtual ~TilesFramework();
+
+    bool initialise();
+    void shutdown();
+    void load_dungeon(unsigned int *tileb, int gx, int gy);
+    void load_dungeon(int gx, int gy);
+    int getch();
+    int getch_ck();
+    void resize();
+    void clrscr();
+
+    void message_out(int which_line, int colour, const char *s, int firstcol, bool newline);
+
+    void cgotoxy(int x, int y, int region = GOTO_CRT);
+    void clear_message_window();
+
+    void update_minimap(int gx, int gy, map_feature f);
+    void clear_minimap();
+    void update_inventory();
+
+    void update_menu_inventory(unsigned int slot, const item_def &item, bool selected, char key);
+
+    void redraw();
+
+    void place_cursor(cursor_type type, const coord_def &gc);
+    void clear_text_tags(text_tag_type type);
+    void add_text_tag(text_tag_type type, const std::string &tag,
+                      const coord_def &gc);
+
+    bool initialise_items();
+
+    const coord_def &get_cursor() const;
+protected:
+
+    bool load_font(const char *font_file, int font_size);
+    int handle_mouse(MouseEvent &event);
+
+    // screen pixel dimensions
+    coord_def m_windowsz;
+    // screen pixels per view cell
+    coord_def m_viewsc;
+
+    SDL_Surface* m_context;
+    bool m_fullscreen;
+
+    enum LayerID
+    {
+        LAYER_NORMAL,
+        LAYER_CRT,
+        LAYER_TITLE,
+        LAYER_MAX
+    };
+
+    class Layer
+    {
+    public:
+        // Layers don't own these regions
+        std::vector<Region*> m_regions;
+    };
+    Layer m_layers[LAYER_MAX];
+    LayerID m_active_layer;
+
+    // Normal layer
+    DungeonRegion *m_region_tile;
+    StatRegion *m_region_stat;
+    MessageRegion *m_region_msg;
+    MapRegion *m_region_map;
+    InventoryRegion *m_region_self_inv;
+
+    // Full-screen CRT layer
+    CRTRegion *m_region_crt;
+    InventoryRegion *m_region_menu_inv;
+
+    FTFont *m_font;
+
+    void do_layout();
+
+    ImageManager m_image;
+
+    // Mouse state.
+    unsigned short m_buttons_held;
+    unsigned char m_key_mod;
+    coord_def m_mouse;
+    unsigned int m_last_tick_moved;
+
+    std::string m_tooltip;
+};
+
+// Main interface for tiles functions
+extern TilesFramework tiles;
+
+#ifdef __MINGW32__
+#ifndef alloca
+// Srsly, MinGW, wtf?  
+void *alloca(size_t);
+#endif
+#endif
+
+#endif
+#endif