forked from 0ad/0ad
212 lines
5.1 KiB
C++
212 lines
5.1 KiB
C++
/**
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* =========================================================================
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* File : app_hooks.cpp
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* Project : 0 A.D.
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* Description : hooks to allow customization / app-specific behavior.
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*
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* @author Jan.Wassenberg@stud.uni-karlsruhe.de
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* =========================================================================
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*/
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/*
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* Copyright (c) 2005 Jan Wassenberg
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*
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* Redistribution and/or modification are also permitted under the
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* terms of the GNU General Public License as published by the
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* Free Software Foundation (version 2 or later, at your option).
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include "precompiled.h"
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#include <string.h>
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#include <stdio.h>
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#include "lib/sysdep/gfx.h"
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#include "lib/res/graphics/ogl_tex.h"
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#include "lib/res/file/file.h"
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#include "lib/res/file/vfs.h"
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#include "lib/res/graphics/ogl_tex.h"
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#include "lib/path_util.h"
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#include "app_hooks.h"
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//-----------------------------------------------------------------------------
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// default implementations
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//-----------------------------------------------------------------------------
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static void def_override_gl_upload_caps()
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{
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if(gfx_card[0] == '\0')
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debug_warn("gfx_detect must be called before ogl_tex_upload");
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if(!strcmp(gfx_card, "S3 SuperSavage/IXC 1014"))
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{
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if(strstr(gfx_drv_ver, "ssicdnt.dll (2.60.115)"))
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ogl_tex_override(OGL_TEX_S3TC, OGL_TEX_DISABLE);
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}
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}
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static const char* def_get_log_dir()
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{
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static char N_log_dir[PATH_MAX];
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ONCE(\
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char N_exe_name[PATH_MAX];\
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(void)sys_get_executable_name(N_exe_name, ARRAY_SIZE(N_exe_name));\
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/* strip app name (we only want its path) */\
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path_strip_fn(N_exe_name);\
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(void)path_append(N_log_dir, N_exe_name, "../logs/");
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);
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return N_log_dir;
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}
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// convert contents of file <in_filename> from char to wchar_t and
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// append to <out> file.
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static void cat_atow(FILE* out, const char* in_filename)
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{
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FILE* in = fopen(in_filename, "rb");
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if(!in)
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{
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fwprintf(out, L"(unavailable)");
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return;
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}
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const size_t buf_size = 1024;
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char buf[buf_size+1]; // include space for trailing '\0'
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while(!feof(in))
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{
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size_t bytes_read = fread(buf, 1, buf_size, in);
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if(!bytes_read)
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break;
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buf[bytes_read] = 0; // 0-terminate
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fwprintf(out, L"%hs", buf);
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}
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fclose(in);
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}
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static void def_bundle_logs(FILE* f)
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{
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// for user convenience, bundle all logs into this file:
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char N_path[PATH_MAX];
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fwprintf(f, L"System info:\n\n");
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(void)file_make_full_native_path("../logs/system_info.txt", N_path);
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cat_atow(f, N_path);
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fwprintf(f, L"\n\n====================================\n\n");
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fwprintf(f, L"Main log:\n\n");
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(void)file_make_full_native_path("../logs/mainlog.html", N_path);
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cat_atow(f, N_path);
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fwprintf(f, L"\n\n====================================\n\n");
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}
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static const wchar_t* def_translate(const wchar_t* text)
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{
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return text;
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}
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static void def_translate_free(const wchar_t* UNUSED(text))
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{
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// no-op - translate() doesn't own the pointer.
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}
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static void def_log(const wchar_t* text)
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{
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wprintf(text);
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}
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static ErrorReaction def_display_error(const wchar_t* UNUSED(text), uint UNUSED(flags))
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{
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return ER_NOT_IMPLEMENTED;
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}
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//-----------------------------------------------------------------------------
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// contains the current set of hooks. starts with the default values and
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// may be changed via app_hooks_update.
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//
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// rationale: we don't ever need to switch "hook sets", so one global struct
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// is fine. by always having one defined, we also avoid having to check
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// if anything was registered yet.
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static AppHooks ah =
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{
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def_override_gl_upload_caps,
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def_get_log_dir,
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def_bundle_logs,
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def_translate,
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def_translate_free,
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def_log,
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def_display_error
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};
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// register the specified hook function pointers. any of them that
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// are non-zero override the previous function pointer value
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// (these default to the stub hooks which are functional but basic).
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void app_hooks_update(AppHooks* new_ah)
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{
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debug_assert(new_ah);
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#define OVERRIDE_IF_NONZERO(HOOKNAME) if(new_ah->HOOKNAME) ah.HOOKNAME = new_ah->HOOKNAME;
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OVERRIDE_IF_NONZERO(override_gl_upload_caps)
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OVERRIDE_IF_NONZERO(get_log_dir)
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OVERRIDE_IF_NONZERO(bundle_logs)
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OVERRIDE_IF_NONZERO(translate)
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OVERRIDE_IF_NONZERO(translate_free)
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OVERRIDE_IF_NONZERO(log)
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OVERRIDE_IF_NONZERO(display_error)
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}
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//-----------------------------------------------------------------------------
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// trampoline implementations
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// (boilerplate code; hides details of how to call the app hook)
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//-----------------------------------------------------------------------------
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void ah_override_gl_upload_caps(void)
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{
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ah.override_gl_upload_caps();
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}
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const char* ah_get_log_dir(void)
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{
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return ah.get_log_dir();
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}
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void ah_bundle_logs(FILE* f)
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{
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ah.bundle_logs(f);
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}
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const wchar_t* ah_translate(const wchar_t* text)
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{
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return ah.translate(text);
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}
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void ah_translate_free(const wchar_t* text)
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{
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ah.translate_free(text);
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}
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void ah_log(const wchar_t* text)
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{
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ah.log(text);
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}
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ErrorReaction ah_display_error(const wchar_t* text, uint flags)
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{
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return ah.display_error(text, flags);
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}
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