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-rw-r--r--saedit/animation.c386
1 files changed, 386 insertions, 0 deletions
diff --git a/saedit/animation.c b/saedit/animation.c
new file mode 100644
index 0000000..997b420
--- /dev/null
+++ b/saedit/animation.c
@@ -0,0 +1,386 @@
+#include "animation.h"
+#include <string.h>
+
+static void
+animation_add_element_pause (
+ Animation *animation,
+ gint delay,
+ gint rand,
+ gint line_no
+) {
+ AnimElement *elem = animation_element_new ();
+ elem->delay = delay;
+ elem->rand = rand;
+ elem->type = ELEMENT_PAUSE;
+ elem->line_no = line_no;
+
+ animation->elements = g_list_append (animation->elements, elem);
+}
+
+static void
+animation_add_element_end (
+ Animation *animation,
+ gint rand,
+ gint line_no
+) {
+ AnimElement *elem = animation_element_new ();
+ elem->type = ELEMENT_END;
+ elem->rand = rand;
+ elem->line_no = line_no;
+
+ animation->elements = g_list_append (animation->elements, elem);
+}
+
+static void
+animation_add_element_frame (
+ Animation *animation,
+ const Imageset *imageset,
+ gint index,
+ gint offsetX,
+ gint offsetY,
+ gint delay,
+ gint rand,
+ gint line_no
+) {
+ gint x, y;
+ AnimElement *elem = animation_element_new ();
+
+ elem->type = ELEMENT_FRAME;
+
+ imageset_get_offset (imageset, &x, &y);
+ offsetX += x;
+ offsetY += y;
+
+ imageset_get_size (imageset, &x, &y);
+ offsetX -= x / 2;
+ offsetY -= y;
+
+ elem->offsetX = offsetX;
+ elem->offsetY = offsetY;
+
+ elem->delay = delay;
+ elem->rand = rand;
+ elem->line_no = line_no;
+
+ elem->sprite = imageset_get_sprite_by_index (imageset, index);
+ if (elem->sprite == NULL) {
+ /* TODO: report this */
+ g_free (elem);
+ return;
+ }
+
+ animation->elements = g_list_append (animation->elements, elem);
+}
+
+static void
+animation_add_element_goto (
+ Animation *animation,
+ gchar *label,
+ gint rand,
+ gint line_no
+) {
+ AnimElement *elem = animation_element_new ();
+ elem->type = ELEMENT_GOTO;
+ elem->str = label;
+ elem->rand = rand;
+ elem->line_no = line_no;
+
+ animation->elements = g_list_append (animation->elements, elem);
+}
+
+static void
+animation_add_element_jump (
+ Animation *animation,
+ gchar *action,
+ gint rand,
+ gint line_no
+) {
+ AnimElement *elem = animation_element_new ();
+ elem->type = ELEMENT_JUMP;
+ elem->str = action;
+ elem->rand = rand;
+ elem->line_no = line_no;
+
+ animation->elements = g_list_append (animation->elements, elem);
+}
+
+static void
+animation_add_element_label (
+ Animation *animation,
+ gchar *name,
+ gint line_no
+) {
+ AnimElement *elem = animation_element_new ();
+ elem->type = ELEMENT_LABEL;
+ elem->str = name;
+ elem->line_no = line_no;
+
+ animation->elements = g_list_append (animation->elements, elem);
+}
+
+static void
+animation_add_sequence (
+ Animation *animation,
+ const Imageset *imageset,
+ const XMLNode *node,
+ gint offsetX,
+ gint offsetY,
+ gint delay,
+ gint rand,
+ gint line_no
+) {
+ gchar *value, **tokens;
+ gint start = xml_node_get_int_attr_value (node, "start", -1);
+ gint end = xml_node_get_int_attr_value (node, "end", -1);
+ gint repeat = xml_node_get_int_attr_value_limited (
+ node, "repeat", 1, 0, 100
+ );
+
+ g_return_if_fail (g_strcmp0 (node->name, "sequence") == 0);
+
+ if (repeat < 1) {
+ /* TODO: show error */
+ return;
+ }
+
+ value = xml_node_get_attr_value (node, "value");
+
+ if (value == NULL) {
+ if (start < 0 || end < 0) {
+ /* TODO: show error */
+ return;
+ }
+ value = g_strdup_printf ("%d-%d", start, end);
+ }
+
+ tokens = g_strsplit (value, ",", 0);
+ g_free (value);
+
+ while (repeat > 0) {
+ gchar **token = tokens;
+
+ while (*token != NULL) {
+ if (g_strcmp0 (*token, "p") == 0) {
+ animation_add_element_pause (
+ animation,
+ delay,
+ rand,
+ line_no
+ );
+ } else {
+ gint start = -1, end = -1, d;
+ gchar *delim = strchr (*token, '-');
+
+ if (delim == NULL) {
+ try_strtoint (*token, &start);
+ end = start;
+ } else {
+ *delim = 0;
+ try_strtoint ( *token, &start);
+ try_strtoint (delim + 1, &end);
+ *delim = '-';
+ }
+
+ if (start < 0 || end < 0) {
+ /* TODO: show error */
+ g_strfreev (tokens);
+ return;
+ }
+
+ d = start <= end ? +1 : -1;
+ end += d;
+
+ while (start != end) {
+ animation_add_element_frame (
+ animation,
+ imageset,
+ start,
+ offsetX,
+ offsetY,
+ delay,
+ rand,
+ line_no
+ );
+ start += d;
+ }
+ }
+ ++token;
+ }
+ --repeat;
+ }
+
+ g_strfreev (tokens);
+}
+
+static void
+animation_add_elements_from_node (
+ Animation *animation,
+ const Imageset *imageset,
+ const XMLNode *node,
+ gint included_from
+) {
+ gchar *name = node->name;
+
+ gint offsetX, offsetY;
+ gint delay, rand;
+ gchar *str;
+ gint line_no;
+
+ imageset_get_offset (imageset, &offsetX, &offsetY);
+
+ offsetX += xml_node_get_int_attr_value (node, "offsetX", 0);
+ offsetY += xml_node_get_int_attr_value (node, "offsetY", 0);
+
+ delay = xml_node_get_int_attr_value_limited (
+ node, "delay", 0,
+ 0, 100000
+ );
+
+ rand = xml_node_get_int_attr_value_limited (
+ node, "rand", 100,
+ 0, 100
+ );
+
+ line_no = included_from;
+ if (line_no == -1)
+ line_no = node->line_no;
+
+ if (g_strcmp0 (name, "frame") == 0) {
+ gint index = xml_node_get_int_attr_value (node, "index", -1);
+
+ if (index < 0) {
+ /* TODO: report error */
+ return;
+ }
+
+ animation_add_element_frame (
+ animation,
+ imageset,
+ index,
+ offsetX, offsetY,
+ delay, rand,
+ line_no
+ );
+ } else
+
+ if (g_strcmp0 (name, "pause") == 0) {
+ animation_add_element_pause (
+ animation, delay, rand, line_no
+ );
+ } else
+
+ if (g_strcmp0 (name, "end") == 0) {
+ animation_add_element_end (animation, rand, line_no);
+ } else
+
+ if (g_strcmp0 (name, "jump") == 0) {
+ str = xml_node_get_attr_value (node, "action");
+ animation_add_element_jump (
+ animation, str, rand, line_no
+ );
+ } else
+
+ if (g_strcmp0 (name, "label") == 0) {
+ str = xml_node_get_attr_value (node, "name");
+ if (str == NULL) {
+ /* TODO: report error */
+ return;
+ }
+
+ animation_add_element_label (animation, str, line_no);
+ } else
+
+ if (g_strcmp0 (name, "goto") == 0) {
+ str = xml_node_get_attr_value (node, "label");
+ if (str == NULL) {
+ /* TODO: report error */
+ return;
+ }
+
+ animation_add_element_goto (
+ animation, str, rand, line_no
+ );
+ } else
+
+ if (g_strcmp0 (name, "sequence") == 0) {
+ animation_add_sequence (
+ animation,
+ imageset,
+ node,
+ offsetX, offsetY,
+ delay, rand,
+ line_no
+ );
+ } else
+
+ {
+ /* TODO: unknown tag */
+ return;
+ }
+}
+
+Animation *
+animation_new (
+ const Imageset *imageset,
+ const XMLNode *node,
+ gint included_from
+) {
+ Animation *animation;
+ gchar *dir;
+ GList *sub_node;
+
+ g_return_val_if_fail (g_strcmp0 (node->name, "animation") == 0, NULL);
+
+ dir = xml_node_get_attr_value (node, "direction");
+
+ if (dir == NULL)
+ dir = "";
+
+ animation = (Animation *) g_new0 (Animation, 1);
+ animation->direction = dir;
+
+ sub_node = node->sub_nodes;
+ while (sub_node != NULL) {
+ animation_add_elements_from_node (
+ animation,
+ imageset,
+ (XMLNode *) sub_node->data,
+ included_from
+ );
+ sub_node = g_list_next (sub_node);
+ }
+
+ return animation;
+}
+
+gint
+animation_compare_by_direction (
+ const Animation *first,
+ const Animation *second
+) {
+ return g_strcmp0 (first->direction, second->direction);
+}
+
+gboolean
+animation_direction_equals (
+ const Animation *animation,
+ const gchar *direction
+) {
+ return g_strcmp0 (animation->direction, direction) == 0;
+}
+
+void
+animation_free (Animation *animation) {
+ g_list_free_full (
+ animation->elements,
+ (GDestroyNotify) g_free
+ );
+
+ g_free (animation->direction);
+ g_free (animation);
+}
+
+AnimElement *
+animation_element_new () {
+ return (AnimElement *) g_new0 (AnimElement, 1);
+}
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