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Diffstat (limited to 'g_src/enabler.h')
| -rwxr-xr-x | g_src/enabler.h | 1027 |
1 files changed, 1027 insertions, 0 deletions
diff --git a/g_src/enabler.h b/g_src/enabler.h new file mode 100755 index 0000000..f524e1d --- /dev/null +++ b/g_src/enabler.h @@ -0,0 +1,1027 @@ +//some of this stuff is based on public domain code from nehe or opengl books over the years
+//additions and modifications Copyright (c) 2008, Tarn Adams
+//All rights reserved. See game.cpp or license.txt for more information.
+
+#ifndef ENABLER_H
+#define ENABLER_H
+
+#include "platform.h"
+#include <SDL/SDL.h>
+#include <SDL/SDL_thread.h>
+#ifdef __APPLE__
+# include <SDL_ttf/SDL_ttf.h>
+# include <SDL_image/SDL_image.h>
+#else
+# include <SDL/SDL_ttf.h>
+# include <SDL/SDL_image.h>
+#endif
+
+#include "GL/glew.h"
+
+#include <map>
+#include <vector>
+#include <algorithm>
+#include <utility>
+#include <list>
+#include <iostream>
+#include <sstream>
+#include <stack>
+#include <queue>
+#include <set>
+#include <functional>
+
+using std::vector;
+using std::pair;
+using std::map;
+using std::set;
+using std::list;
+using std::stack;
+using std::queue;
+
+#include "basics.h"
+#include "svector.h"
+#include "endian.h"
+#include "files.h"
+#include "enabler_input.h"
+#include "mail.hpp"
+
+#define ENABLER
+
+#ifndef BITS
+
+#define BITS
+
+#define BIT1 1
+#define BIT2 2
+#define BIT3 4
+#define BIT4 8
+#define BIT5 16
+#define BIT6 32
+#define BIT7 64
+#define BIT8 128
+#define BIT9 256
+#define BIT10 512
+#define BIT11 1024
+#define BIT12 2048
+#define BIT13 4096
+#define BIT14 8192
+#define BIT15 16384
+#define BIT16 32768
+#define BIT17 65536UL
+#define BIT18 131072UL
+#define BIT19 262144UL
+#define BIT20 524288UL
+#define BIT21 1048576UL
+#define BIT22 2097152UL
+#define BIT23 4194304UL
+#define BIT24 8388608UL
+#define BIT25 16777216UL
+#define BIT26 33554432UL
+#define BIT27 67108864UL
+#define BIT28 134217728UL
+#define BIT29 268435456UL
+#define BIT30 536870912UL
+#define BIT31 1073741824UL
+#define BIT32 2147483648UL
+
+#endif
+
+#define GAME_TITLE_STRING "Dwarf Fortress"
+
+class pstringst
+{
+ public:
+ string dat;
+};
+
+class stringvectst
+{
+ public:
+ svector<pstringst *> str;
+
+ void add_string(const string &st)
+ {
+ pstringst *newp=new pstringst;
+ newp->dat=st;
+ str.push_back(newp);
+ }
+
+ long add_unique_string(const string &st)
+ {
+ long i;
+ for(i=(long)str.size()-1;i>=0;i--)
+ {
+ if(str[i]->dat==st)return i;
+ }
+ add_string(st);
+ return (long)str.size()-1;
+ }
+
+ void add_string(const char *st)
+ {
+ if(st!=NULL)
+ {
+ pstringst *newp=new pstringst;
+ newp->dat=st;
+ str.push_back(newp);
+ }
+ }
+
+ void insert_string(long k,const string &st)
+ {
+ pstringst *newp=new pstringst;
+ newp->dat=st;
+ if(str.size()>k)str.insert(k,newp);
+ else str.push_back(newp);
+ }
+
+ ~stringvectst()
+ {
+ clean();
+ }
+
+ void clean()
+ {
+ while(str.size()>0)
+ {
+ delete str[0];
+ str.erase(0);
+ }
+ }
+
+ void read_file(file_compressorst &filecomp,long loadversion)
+ {
+ long dummy;
+ filecomp.read_file(dummy);
+ str.resize(dummy);
+
+ long s;
+ for(s=0;s<dummy;s++)
+ {
+ str[s]=new pstringst;
+ filecomp.read_file(str[s]->dat);
+ }
+ }
+ void write_file(file_compressorst &filecomp)
+ {
+ long dummy=str.size();
+ filecomp.write_file(dummy);
+
+ long s;
+ for(s=0;s<dummy;s++)
+ {
+ filecomp.write_file(str[s]->dat);
+ }
+ }
+
+ void copy_from(stringvectst &src)
+ {
+ clean();
+
+ str.resize(src.str.size());
+
+ long s;
+ for(s=(long)src.str.size()-1;s>=0;s--)
+ {
+ str[s]=new pstringst;
+ str[s]->dat=src.str[s]->dat;
+ }
+ }
+
+ bool has_string(const string &st)
+ {
+ long i;
+ for(i=(long)str.size()-1;i>=0;i--)
+ {
+ if(str[i]->dat==st)return true;
+ }
+ return false;
+ }
+
+ void remove_string(const string &st)
+ {
+ long i;
+ for(i=(long)str.size()-1;i>=0;i--)
+ {
+ if(str[i]->dat==st)
+ {
+ delete str[i];
+ str.erase(i);
+ }
+ }
+ }
+
+ void operator=(stringvectst &two);
+};
+
+class flagarrayst
+{
+ public:
+ flagarrayst()
+ {
+ slotnum=0;
+ array=NULL;
+ }
+ ~flagarrayst()
+ {
+ if(array!=NULL)delete[] array;
+ array=NULL;
+ slotnum=0;
+ }
+
+ void set_size_on_flag_num(long flagnum)
+ {
+ if(flagnum<=0)return;
+
+ set_size(((flagnum-1)>>3)+1);
+ }
+
+ void set_size(long newsize)
+ {
+ if(newsize<=0)return;
+
+ if(array!=NULL)delete[] array;
+ array=new unsigned char[newsize];
+ memset(array,0,sizeof(unsigned char)*newsize);
+
+ slotnum=newsize;
+ }
+
+ void clear_all()
+ {
+ if(slotnum<=0)return;
+
+ if(array!=NULL)memset(array,0,sizeof(unsigned char)*slotnum);
+ }
+
+ void copy_from(flagarrayst &src)
+ {
+ clear_all();
+
+ if(src.slotnum>0)
+ {
+ set_size(src.slotnum);
+ memmove(array,src.array,sizeof(unsigned char)*slotnum);
+ }
+ }
+
+ bool has_flag(long checkflag)
+ {
+ if(checkflag<0)return false;
+ long slot=checkflag>>3;
+ return (slot>=0&&slot<slotnum&&((array[slot] & (1<<(checkflag&7)))!=0));
+ }
+
+ void add_flag(long checkflag)
+ {
+ if(checkflag<0)return;
+ long slot=checkflag>>3;
+ if(slot>=0&&slot<slotnum)array[slot]|=(1<<(checkflag&7));
+ }
+
+ void toggle_flag(long checkflag)
+ {
+ if(checkflag<0)return;
+ long slot=checkflag>>3;
+ if(slot>=0&&slot<slotnum)array[slot]^=(1<<(checkflag&7));
+ }
+
+ void remove_flag(long checkflag)
+ {
+ if(checkflag<0)return;
+ long slot=checkflag>>3;
+ if(slot>=0&&slot<slotnum)array[slot]&=~(1<<(checkflag&7));
+ }
+
+ void write_file(file_compressorst &filecomp)
+ {
+ filecomp.write_file(slotnum);
+ if(slotnum>0)
+ {
+ long ind;
+ for(ind=0;ind<slotnum;ind++)filecomp.write_file(array[ind]);
+ }
+ }
+
+ void read_file(file_compressorst &filecomp,long loadversion)
+ {
+ long newsl;
+ filecomp.read_file(newsl);
+ if(newsl>0)
+ {
+ //AVOID UNNECESSARY DELETE/NEW
+ if(array!=NULL&&slotnum!=newsl)
+ {
+ delete[] array;
+ array=new unsigned char[newsl];
+ }
+ if(array==NULL)array=new unsigned char[newsl];
+
+ long ind;
+ for(ind=0;ind<newsl;ind++)filecomp.read_file(array[ind]);
+
+ slotnum=newsl;
+ }
+ else if(array!=NULL)
+ {
+ delete[] array;
+ array=NULL;
+
+ slotnum=0;
+ }
+ }
+
+ private:
+ unsigned char *array;
+ long slotnum;
+};
+
+#ifdef ENABLER
+
+#define COLOR_BLACK 0
+#define COLOR_BLUE 1
+#define COLOR_GREEN 2
+#define COLOR_CYAN 3
+#define COLOR_RED 4
+#define COLOR_MAGENTA 5
+#define COLOR_YELLOW 6
+#define COLOR_WHITE 7
+
+enum ColorData
+ {
+ COLOR_DATA_WHITE_R,
+ COLOR_DATA_WHITE_G,
+ COLOR_DATA_WHITE_B,
+ COLOR_DATA_RED_R,
+ COLOR_DATA_RED_G,
+ COLOR_DATA_RED_B,
+ COLOR_DATA_GREEN_R,
+ COLOR_DATA_GREEN_G,
+ COLOR_DATA_GREEN_B,
+ COLOR_DATA_BLUE_R,
+ COLOR_DATA_BLUE_G,
+ COLOR_DATA_BLUE_B,
+ COLOR_DATA_YELLOW_R,
+ COLOR_DATA_YELLOW_G,
+ COLOR_DATA_YELLOW_B,
+ COLOR_DATA_MAGENTA_R,
+ COLOR_DATA_MAGENTA_G,
+ COLOR_DATA_MAGENTA_B,
+ COLOR_DATA_CYAN_R,
+ COLOR_DATA_CYAN_G,
+ COLOR_DATA_CYAN_B,
+ COLOR_DATANUM
+ };
+
+#define TILEFLAG_DEAD BIT1
+#define TILEFLAG_ROTATE BIT2
+#define TILEFLAG_PIXRECT BIT3
+#define TILEFLAG_HORFLIP BIT4
+#define TILEFLAG_VERFLIP BIT5
+#define TILEFLAG_LINE BIT6
+#define TILEFLAG_RECT BIT7
+#define TILEFLAG_BUFFER_DRAW BIT8
+#define TILEFLAG_MODEL_PERSPECTIVE BIT9
+#define TILEFLAG_MODEL_ORTHO BIT10
+#define TILEFLAG_MODEL_TRANSLATE BIT11
+#define TILEFLAG_LINE_3D BIT12
+
+#define TRIMAX 9999
+
+enum render_phase {
+ setup, // 0
+ complete,
+ phase_count
+};
+
+class texture_bo {
+ GLuint bo, tbo;
+ public:
+ texture_bo() { bo = tbo = 0; }
+ void reset() {
+ if (bo) {
+ glDeleteBuffers(1, &bo);
+ glDeleteTextures(1, &tbo);
+ bo = tbo = 0;
+ printGLError();
+ }
+ }
+ void buffer(GLvoid *ptr, GLsizeiptr sz) {
+ if (bo) reset();
+ glGenBuffersARB(1, &bo);
+ glGenTextures(1, &tbo);
+ glBindBufferARB(GL_TEXTURE_BUFFER_ARB, bo);
+ glBufferDataARB(GL_TEXTURE_BUFFER_ARB, sz, ptr, GL_STATIC_DRAW_ARB);
+ printGLError();
+ }
+ void bind(GLenum texture_unit, GLenum type) {
+ glActiveTexture(texture_unit);
+ glBindTexture(GL_TEXTURE_BUFFER_ARB, tbo);
+ glTexBufferARB(GL_TEXTURE_BUFFER_ARB, type, bo);
+ printGLError();
+ }
+ GLuint texnum() { return tbo; }
+};
+
+
+class shader {
+ string filename;
+ std::ostringstream lines;
+ public:
+ std::ostringstream header;
+ void load(const string &filename) {
+ this->filename = filename;
+ std::ifstream file(filename.c_str());
+ string version;
+ getline(file, version);
+ header << version << std::endl;
+ while (file.good()) {
+ string line;
+ getline(file, line);
+ lines << line << std::endl;
+ }
+ file.close();
+ }
+ GLuint upload(GLenum type) {
+ GLuint shader = glCreateShader(type);
+ string lines_done = lines.str(), header_done = header.str();
+ const char *ptrs[3];
+ ptrs[0] = header_done.c_str();
+ ptrs[1] = "#line 1 0\n";
+ ptrs[2] = lines_done.c_str();
+ glShaderSource(shader, 3, ptrs, NULL);
+ glCompileShader(shader);
+ // Let's see if this compiled correctly..
+ GLint status;
+ glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
+ if (status == GL_FALSE) { // ..no. Check the compilation log.
+ GLint log_size;
+ glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &log_size);
+ //errorlog << filename << " preprocessed source:" << std::endl;
+ std::cerr << filename << " preprocessed source:" << std::endl;
+ //errorlog << header_done << "#line 1 0\n" << lines_done;
+ std::cerr << header_done << "#line 1 0\n" << lines_done;
+ //errorlog << filename << " shader compilation log (" << log_size << "):" << std::endl;
+ std::cerr << filename << " shader compilation log (" << log_size << "):" << std::endl;
+ char *buf = new char[log_size];
+ glGetShaderInfoLog(shader, log_size, NULL, buf);
+ //errorlog << buf << std::endl;
+ std::cerr << buf << std::endl;
+ //errorlog.flush();
+ delete[] buf;
+ MessageBox(NULL, "Shader compilation failed; details in errorlog.txt", "Critical error", MB_OK);
+ abort();
+ }
+ printGLError();
+ return shader;
+ }
+};
+
+
+class text_info_elementst
+{
+ public:
+ virtual string get_string()
+ {
+ string empty;
+ return empty;
+ }
+ virtual long get_long()
+ {
+ return 0;
+ }
+
+ virtual ~text_info_elementst(){}
+};
+
+class text_info_element_stringst : public text_info_elementst
+{
+ public:
+ virtual string get_string()
+ {
+ return str;
+ }
+ text_info_element_stringst(const string &newstr)
+ {
+ str=newstr;
+ }
+
+ protected:
+ string str;
+};
+
+class text_info_element_longst : public text_info_elementst
+{
+ public:
+ virtual long get_long()
+ {
+ return val;
+ }
+ text_info_element_longst(long nval)
+ {
+ val=nval;
+ }
+
+ protected:
+ long val;
+};
+
+class text_infost
+{
+ public:
+ svector<text_info_elementst *> element;
+
+ void clean()
+ {
+ while(element.size()>0)
+ {
+ delete element[0];
+ element.erase(0);
+ }
+ }
+
+ string get_string(int e)
+ {
+ if(e<0||e>=element.size())
+ {
+ string empty;
+ return empty;
+ }
+ if(element[e]==NULL)
+ {
+ string empty;
+ return empty;
+ }
+ return element[e]->get_string();
+ }
+
+ long get_long(int e)
+ {
+ if(e<0||e>=element.size())
+ {
+ return 0;
+ }
+ if(element[e]==NULL)
+ {
+ return 0;
+ }
+ return element[e]->get_long();
+ }
+
+ ~text_infost()
+ {
+ clean();
+ }
+};
+
+class text_system_file_infost
+{
+ public:
+ long index;
+ string filename;
+
+ static text_system_file_infost *add_file_info(const string &newf,long newi,char newft)
+ {
+ return new text_system_file_infost(newf,newi,newft);
+ }
+
+ void initialize_info();
+ void get_text(text_infost &text);
+ void get_specific_text(text_infost &text,long num);
+
+ protected:
+ char file_token;
+ long number;
+
+ text_system_file_infost(const string &newf,long newi,char newft)
+ {
+ filename=newf;
+ file_token=newft;
+ index=newi;
+ number=0;
+ }
+};
+
+class text_systemst
+{
+ public:
+ void register_file_fixed(const string &file_name,int32_t index,char token,char initialize)
+ {
+ text_system_file_infost *tsfi=text_system_file_infost::add_file_info(file_name,index,token);
+ if(initialize)tsfi->initialize_info();
+ file_info.push_back(tsfi);
+ }
+ void register_file(const string &file_name,int32_t &index,char token,char initialize)
+ {
+ int32_t t;
+ for(t=(int32_t)file_info.size()-1;t>=0;t--)
+ {
+ if(file_info[t]->filename==file_name)
+ {
+ //RESET CALLING INDEX AND BAIL IF THIS FILE IS ALREADY IN THE SYSTEM
+ index=file_info[t]->index;
+ return;
+ }
+ }
+
+ text_system_file_infost *tsfi=text_system_file_infost::add_file_info(file_name,index,token);
+ if(initialize)tsfi->initialize_info();
+ file_info.push_back(tsfi);
+ }
+ void initialize_system()
+ {
+ int32_t t;
+ for(t=(int32_t)file_info.size()-1;t>=0;t--)file_info[t]->initialize_info();
+ }
+ void get_text(int32_t index,text_infost &text)
+ {
+ int32_t t;
+ for(t=(int32_t)file_info.size()-1;t>=0;t--)
+ {
+ if(file_info[t]->index==index)
+ {
+ file_info[t]->get_text(text);
+ return;
+ }
+ }
+ }
+ void get_text(const string &file_name,text_infost &text)
+ {
+ int32_t t;
+ for(t=(int32_t)file_info.size()-1;t>=0;t--)
+ {
+ if(file_info[t]->filename==file_name)
+ {
+ file_info[t]->get_text(text);
+ return;
+ }
+ }
+ }
+ void get_specific_text(int32_t index,text_infost &text,int32_t num)
+ {
+ int32_t t;
+ for(t=(int32_t)file_info.size()-1;t>=0;t--)
+ {
+ if(file_info[t]->index==index)
+ {
+ file_info[t]->get_specific_text(text,num);
+ return;
+ }
+ }
+ }
+
+ ~text_systemst()
+ {
+ while(file_info.size()>0)
+ {
+ delete file_info[0];
+ file_info.erase(0);
+ }
+ }
+
+ protected:
+ svector<text_system_file_infost *> file_info;
+};
+
+class curses_text_boxst
+{
+ public:
+ stringvectst text;
+
+ void add_paragraph(stringvectst &src,int32_t para_width);
+ void add_paragraph(const string &src,int32_t para_width);
+
+ void read_file(file_compressorst &filecomp,int32_t loadversion)
+ {
+ text.read_file(filecomp,loadversion);
+ }
+ void write_file(file_compressorst &filecomp)
+ {
+ text.write_file(filecomp);
+ }
+ void clean()
+ {
+ text.clean();
+ }
+};
+
+#define COPYTEXTUREFLAG_HORFLIP BIT1
+#define COPYTEXTUREFLAG_VERFLIP BIT2
+
+#define ENABLERFLAG_RENDER BIT1
+#define ENABLERFLAG_MAXFPS BIT2
+
+// GL texture positions
+struct gl_texpos {
+ GLfloat left, right, top, bottom;
+};
+
+// Covers every allowed permutation of text
+struct ttf_id {
+ std::string text;
+ unsigned char fg, bg, bold;
+
+ bool operator< (const ttf_id &other) const {
+ if (fg != other.fg) return fg < other.fg;
+ if (bg != other.bg) return bg < other.bg;
+ if (bold != other.bold) return bold < other.bold;
+ return text < other.text;
+ }
+
+ bool operator== (const ttf_id &other) const {
+ return fg == other.fg && bg == other.bg && bold == other.bold && text == other.text;
+ }
+};
+
+namespace std {
+ template<> struct hash<ttf_id> {
+ size_t operator()(ttf_id val) const {
+ // Not the ideal hash function, but it'll do. And it's better than GCC's. id? Seriously?
+ return hash<string>()(val.text) + val.fg + (val.bg << 4) + (val.bold << 8);
+ }
+ };
+};
+
+// Being a texture catalog interface, with opengl, sdl and truetype capability
+class textures
+{
+ friend class enablerst;
+ friend class renderer_opengl;
+ private:
+ vector<SDL_Surface *> raws;
+ bool uploaded;
+ long add_texture(SDL_Surface*);
+ protected:
+ GLuint gl_catalog; // texture catalog gennum
+ struct gl_texpos *gl_texpos; // Texture positions in the GL catalog, if any
+ public:
+ // Initialize state variables
+ textures() {
+ uploaded = false;
+ gl_texpos = NULL;
+ }
+ ~textures() {
+ for (auto it = raws.cbegin(); it != raws.cend(); ++it)
+ SDL_FreeSurface(*it);
+}
+ int textureCount() {
+ return raws.size();
+ }
+ // Upload in-memory textures to the GPU
+ // When textures are uploaded, any alteration to a texture
+ // is automatically reflected in the uploaded copy - eg. it's replaced.
+ // This is very expensive in opengl mode. Don't do it often.
+ void upload_textures();
+ // Also, you really should try to remove uploaded textures before
+ // deleting a window, in case of driver memory leaks.
+ void remove_uploaded_textures();
+ // Returns the most recent texture data
+ SDL_Surface *get_texture_data(long pos);
+ // Clone a texture
+ long clone_texture(long src);
+ // Remove all color, but not transparency
+ void grayscale_texture(long pos);
+ // Loads dimx*dimy textures from a file, assuming all tiles
+ // are equally large and arranged in a grid
+ // Texture positions are saved in row-major order to tex_pos
+ // If convert_magenta is true and the file does not have built-in transparency,
+ // any magenta (255,0,255 RGB) is converted to full transparency
+ // The calculated size of individual tiles is saved to disp_x, disp_y
+ void load_multi_pdim(const string &filename,long *tex_pos,long dimx,long dimy,
+ bool convert_magenta,
+ long *disp_x, long *disp_y);
+ // Loads a single texture from a file, returning the handle
+ long load(const string &filename, bool convert_magenta);
+ // To delete a texture..
+ void delete_texture(long pos);
+};
+
+struct tile {
+ int x, y;
+ long tex;
+};
+
+typedef struct { // Window Creation Info
+ char* title; // Window Title
+ int width; // Width
+ int height; // Height
+ int bitsPerPixel; // Bits Per Pixel
+ BOOL isFullScreen; // FullScreen?
+} GL_WindowInit; // GL_WindowInit
+
+typedef struct { // Contains Information Vital To A Window
+ GL_WindowInit init; // Window Init
+ BOOL isVisible; // Window Visible?
+} GL_Window; // GL_Window
+
+enum zoom_commands { zoom_in, zoom_out, zoom_reset, zoom_fullscreen, zoom_resetgrid };
+
+
+struct texture_fullid {
+ int texpos;
+ float r, g, b;
+ float br, bg, bb;
+
+ bool operator< (const struct texture_fullid &other) const {
+ if (texpos != other.texpos) return texpos < other.texpos;
+ if (r != other.r) return r < other.r;
+ if (g != other.g) return g < other.g;
+ if (b != other.b) return b < other.b;
+ if (br != other.br) return br < other.br;
+ if (bg != other.bg) return bg < other.bg;
+ return bb < other.bb;
+ }
+};
+
+typedef int texture_ttfid; // Just the texpos
+
+class renderer {
+ void cleanup_arrays();
+ protected:
+ unsigned char *screen;
+ long *screentexpos;
+ char *screentexpos_addcolor;
+ unsigned char *screentexpos_grayscale;
+ unsigned char *screentexpos_cf;
+ unsigned char *screentexpos_cbr;
+ // For partial printing:
+ unsigned char *screen_old;
+ long *screentexpos_old;
+ char *screentexpos_addcolor_old;
+ unsigned char *screentexpos_grayscale_old;
+ unsigned char *screentexpos_cf_old;
+ unsigned char *screentexpos_cbr_old;
+
+ void gps_allocate(int x, int y);
+ Either<texture_fullid,texture_ttfid> screen_to_texid(int x, int y);
+ public:
+ void display();
+ virtual void update_tile(int x, int y) = 0;
+ virtual void update_all() = 0;
+ virtual void render() = 0;
+ virtual void set_fullscreen() {} // Should read from enabler.is_fullscreen()
+ virtual void zoom(zoom_commands cmd) {};
+ virtual void resize(int w, int h) = 0;
+ virtual void grid_resize(int w, int h) = 0;
+ void swap_arrays();
+ renderer() {
+ screen = NULL;
+ screentexpos = NULL;
+ screentexpos_addcolor = NULL;
+ screentexpos_grayscale = NULL;
+ screentexpos_cf = NULL;
+ screentexpos_cbr = NULL;
+ screen_old = NULL;
+ screentexpos_old = NULL;
+ screentexpos_addcolor_old = NULL;
+ screentexpos_grayscale_old = NULL;
+ screentexpos_cf_old = NULL;
+ screentexpos_cbr_old = NULL;
+ }
+ virtual ~renderer() {
+ cleanup_arrays();
+ }
+ virtual bool get_mouse_coords(int &x, int &y) = 0;
+ virtual bool uses_opengl() { return false; };
+};
+
+class enablerst : public enabler_inputst
+{
+ friend class initst;
+ friend class renderer_2d_base;
+ friend class renderer_2d;
+ friend class renderer_opengl;
+ friend class renderer_curses;
+
+ bool fullscreen;
+ stack<pair<int,int> > overridden_grid_sizes;
+
+ class renderer *renderer;
+ void eventLoop_SDL();
+#ifdef CURSES
+ void eventLoop_ncurses();
+#endif
+
+ // Framerate calculations
+ int calculated_fps, calculated_gfps;
+ queue<int> frame_timings, gframe_timings; // Milisecond lengths of the last few frames
+ int frame_sum, gframe_sum;
+ int frame_last, gframe_last; // SDL_GetTick returns
+ void do_update_fps(queue<int> &q, int &sum, int &last, int &calc);
+
+ public:
+ void clear_fps();
+ private:
+ void update_fps();
+ void update_gfps();
+
+ // Frame timing calculations
+ float fps, gfps;
+ float fps_per_gfps;
+ Uint32 last_tick;
+ float outstanding_frames, outstanding_gframes;
+
+ // Async rendering
+ struct async_cmd {
+ enum cmd_t { pause, start, render, inc, set_fps } cmd;
+ int val; // If async_inc, number of extra frames to run. If set_fps, current value of fps.
+ async_cmd() {}
+ async_cmd(cmd_t c) { cmd = c; }
+ };
+
+ struct async_msg {
+ enum msg_t { quit, complete, set_fps, set_gfps, push_resize, pop_resize, reset_textures } msg;
+ union {
+ int fps; // set_fps, set_gfps
+ struct { // push_resize
+ int x, y;
+ };
+ };
+ async_msg() {}
+ async_msg(msg_t m) { msg = m; }
+ };
+
+ unsigned int async_frames; // Number of frames the async thread has been asked to run
+ bool async_paused;
+ Chan<async_cmd> async_tobox; // Messages to the simulation thread
+ Chan<async_msg> async_frombox; // Messages from the simulation thread, and acknowledgements of those to
+ Chan<zoom_commands> async_zoom; // Zoom commands (from the simulation thread)
+ Chan<void> async_fromcomplete; // Barrier for async_msg requests that require acknowledgement
+ public:
+ Uint32 renderer_threadid;
+ private:
+
+ void pause_async_loop();
+ void async_wait();
+ void unpause_async_loop() {
+ struct async_cmd cmd;
+ cmd.cmd = async_cmd::start;
+ async_tobox.write(cmd);
+ }
+
+ public:
+
+ string command_line;
+
+ float ccolor[16][3]; // The curses-RGB mapping used for non-curses display modes
+
+ enablerst();
+ unsigned long flag; // ENABLERFLAG_RENDER, ENABLERFLAG_MAXFPS
+
+ int loop(string cmdline);
+ void async_loop();
+ void do_frame();
+
+ // Framerate interface
+ void set_fps(int fps);
+ void set_gfps(int gfps);
+ int get_fps() { return (int)fps; }
+ int get_gfps() { return (int)gfps; }
+ int calculate_fps(); // Calculate the actual provided (G)FPS
+ int calculate_gfps();
+
+ // Mouse interface, such as it is
+ char mouse_lbut,mouse_rbut,mouse_lbut_down,mouse_rbut_down,mouse_lbut_lift,mouse_rbut_lift;
+ char tracking_on; // Whether we're tracking the mouse or not
+
+ // OpenGL state (wrappers)
+ class textures textures; // Font/graphics texture catalog
+ GLsync sync; // Rendering barrier
+ void reset_textures() {
+ async_frombox.write(async_msg(async_msg::reset_textures));
+ }
+ bool uses_opengl() {
+ if (!renderer) return false;
+ return renderer->uses_opengl();
+ }
+
+ // Grid-size interface
+ void override_grid_size(int w, int h); // Pick a /particular/ grid-size
+ void release_grid_size(); // Undoes override_grid_size
+ void zoom_display(zoom_commands command);
+
+
+ // Window management
+ bool is_fullscreen() { return fullscreen; }
+ void toggle_fullscreen() {
+ fullscreen = !fullscreen;
+ async_zoom.write(zoom_fullscreen);
+ }
+
+ // Conversations
+ text_systemst text_system;
+
+ // TOADY: MOVE THESE TO "FRAMERATE INTERFACE"
+ MVar<int> simticks, gputicks;
+ Uint32 clock; // An *approximation* of the current time for use in garbage collection thingies, updated every frame or so.
+};
+#endif
+
+// Function prototypes for deep-DF calls
+char beginroutine();
+char mainloop();
+void endroutine();
+
+extern enablerst enabler;
+
+#endif //ENABLER_H
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