1.1 --- a/src/core.c Wed Nov 01 20:09:49 2023 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,125 +0,0 @@
1.4 -/*
1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 - * Copyright 2023 Mike Becker. All rights reserved.
1.7 - *
1.8 - * Redistribution and use in source and binary forms, with or without
1.9 - * modification, are permitted provided that the following conditions are met:
1.10 - *
1.11 - * 1. Redistributions of source code must retain the above copyright
1.12 - * notice, this list of conditions and the following disclaimer.
1.13 - *
1.14 - * 2. Redistributions in binary form must reproduce the above copyright
1.15 - * notice, this list of conditions and the following disclaimer in the
1.16 - * documentation and/or other materials provided with the distribution.
1.17 - *
1.18 - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1.19 - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.20 - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.21 - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
1.22 - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.23 - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.24 - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.25 - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.26 - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.27 - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.28 - * POSSIBILITY OF SUCH DAMAGE.
1.29 - */
1.30 -
1.31 -#include "ascension/core.h"
1.32 -
1.33 -#include <cx/linked_list.h>
1.34 -#include <cx/printf.h>
1.35 -
1.36 -#include <SDL2/SDL.h>
1.37 -#include <SDL2/SDL_ttf.h>
1.38 -
1.39 -AscContext asc_context;
1.40 -
1.41 -// forward declare the destructor functions that reside in other units
1.42 -void asc_window_destroy_impl(void* obj);
1.43 -
1.44 -void asc_context_initialize(void) {
1.45 - if (asc_test_flag(asc_context.flags, ASC_FLAG_INITILIZED))
1.46 - return;
1.47 - asc_clear_flag(&asc_context.flags, ASC_FLAG_HAS_ERROR);
1.48 -
1.49 - // initialize error buffer
1.50 - cxBufferInit(
1.51 - &asc_context.error_buffer,
1.52 - NULL,
1.53 - 256,
1.54 - NULL,
1.55 - CX_BUFFER_AUTO_EXTEND
1.56 - );
1.57 -
1.58 - // initialize lists
1.59 - asc_context.windows = cxLinkedListCreateSimple(CX_STORE_POINTERS);
1.60 - asc_context.windows->simple_destructor =
1.61 - (cx_destructor_func)asc_window_destroy_impl;
1.62 -
1.63 - // initialize SDL
1.64 - if (SDL_Init(SDL_INIT_VIDEO) < 0) {
1.65 - asc_error(SDL_GetError());
1.66 - } else {
1.67 - if (TTF_Init() < 0) {
1.68 - asc_error(TTF_GetError());
1.69 - }
1.70 - }
1.71 - SDL_ClearError();
1.72 - asc_set_flag(&asc_context.flags, ASC_FLAG_INITILIZED);
1.73 - asc_dprintf("Ascension context initialized.");
1.74 -}
1.75 -
1.76 -void asc_context_destroy(void) {
1.77 - // destroy lists
1.78 - cxListDestroy(asc_context.windows);
1.79 -
1.80 - // quit SDL
1.81 - if (TTF_WasInit())
1.82 - TTF_Quit();
1.83 - SDL_Quit();
1.84 -
1.85 - // destroy the error buffer
1.86 - cxBufferDestroy(&asc_context.error_buffer);
1.87 - asc_context.flags = 0;
1.88 - asc_dprintf("Ascension context destroyed.");
1.89 -}
1.90 -
1.91 -void asc_error_cchar(char const* text) {
1.92 - asc_error_cxstr(cx_str(text));
1.93 -}
1.94 -
1.95 -void asc_error_cuchar(unsigned char const* text) {
1.96 - asc_error_cxstr(cx_str((char const*)text));
1.97 -}
1.98 -
1.99 -void asc_error_cxstr(cxstring text) {
1.100 - if (text.length == 0) return;
1.101 -
1.102 - // write error to debug output
1.103 - asc_dprintf("ERROR: %*.s", (int)text.length, text.ptr);
1.104 -
1.105 - // write error to buffer
1.106 - CxBuffer* buf = &asc_context.error_buffer;
1.107 - cxBufferWrite(text.ptr, 1, text.length, buf);
1.108 - cxBufferPut(buf, '\n');
1.109 -
1.110 - asc_set_flag(&asc_context.flags, ASC_FLAG_HAS_ERROR);
1.111 -}
1.112 -
1.113 -bool asc_has_error(void) {
1.114 - return asc_test_flag(asc_context.flags, ASC_FLAG_HAS_ERROR);
1.115 -}
1.116 -
1.117 -char const* asc_get_error(void) {
1.118 - // we zero-terminate the current buffer contents before providing them
1.119 - cxBufferPut(&asc_context.error_buffer, 0);
1.120 - --asc_context.error_buffer.pos;
1.121 - --asc_context.error_buffer.size;
1.122 - return asc_context.error_buffer.space;
1.123 -}
1.124 -
1.125 -void asc_clear_error(void) {
1.126 - cxBufferClear(&asc_context.error_buffer);
1.127 - asc_clear_flag(&asc_context.flags, ASC_FLAG_HAS_ERROR);
1.128 -}
