강화: 프롬프트 카메라/포즈 다양성 규칙 보강

tools/export-card-assets.mjs

@@ -331,15 +331,15 @@ const CAMERA_VARIANTS = {
 
 const CAMERA_ORIENTATION_RULES = {
   normal:
-    "Use one angle from side/rear/low/high per render. Low-angle and high-angle shots should be used at least 40% of the time across the deck.",
+    "Use only side/rear/low/high framing. Never use a pure front-on head-on lock. Across one character's 5 stages, make sure at least one low-angle and one high-angle shot appear.",
   "light-damage":
-    "Prioritize low-angle, rear, side, or high-angle framing. Frontal reads are discouraged unless the face identity would otherwise be lost.",
+    "Prioritize low-angle, rear, side, and high-angle framing. Frontal reads are disallowed unless strict identity continuity would otherwise fail.",
   "medium-damage":
-    "Use energetic side/rear/low/high framing; force low-angle and high-angle alternation across nearby cards.",
+    "Use energetic side/rear/low/high framing; force low-angle and high-angle alternation so adjacent stages do not share the same vertical framing.",
   "heavy-damage":
-    "Prioritize low-angle, side, high-angle, and rear framing to emphasize impact chaos; high/low angles must dominate this stage.",
+    "Prioritize low-angle, side, high-angle, and rear framing to emphasize impact chaos; high/low angles should dominate this stage.",
   defeated:
-    "Prioritize side/back/low/high framing for collapse and pain continuity; avoid frontal composition unless continuity breaks.",
+    "Prioritize side/rear/back/low/high framing for collapse and pain continuity; frontal composition only if face continuity cannot be preserved.",
 };
 
 const POSE_ORIENTATION_VARIANTS = {
@@ -581,10 +581,37 @@ function pickDiverseOption(list, seed, stage, step) {
   return list[index];
 }
 
+function normalizeToDirectionDistance(length, from, to) {
+  return (to - from + length) % length;
+}
+
+function firstIndexForOrientation(plan, wanted) {
+  for (let i = 0; i < plan.length; i += 1) {
+    if (normalizeOrientation(plan[i]) === wanted) {
+      return i;
+    }
+  }
+  return -1;
+}
+
+function nextDifferentIndex(plan, startIndex, bannedOrientation) {
+  for (let i = 1; i <= plan.length; i += 1) {
+    const index = (startIndex + i) % plan.length;
+    const candidate = normalizeOrientation(plan[index]);
+    if (candidate !== bannedOrientation && candidate !== "front") {
+      return index;
+    }
+  }
+  return startIndex;
+}
+
 function normalizeOrientation(orientation) {
   return orientation === "front" ? "side" : orientation;
 }
 
+const cameraHistoryByCharacter = new Map();
+const poseHistoryByCharacter = new Map();
+
 function pickCameraForStage(spec, character, stage) {
   const orientationPlan = CAMERA_ORIENTATION_PLAN[spec.label] ?? CAMERA_ORIENTATION_PLAN.normal;
   const orientationSeed = charSeed(`${character.id}-${character.scene}-${spec.label}`);
@@ -598,10 +625,36 @@ function pickCameraForStage(spec, character, stage) {
     }
     resolvedIndex = (resolvedIndex + 1) % orientationPlan.length;
   }
-  const orientation = normalizeOrientation(orientationPlan[resolvedIndex]);
+  const historyKey = character.id;
+  const history = cameraHistoryByCharacter.get(historyKey) ?? [];
+  const needLow = stage >= 3 && !history.includes("low");
+  const needHigh = stage >= 4 && !history.includes("high");
+  if (needLow) {
+    const lowIndex = firstIndexForOrientation(orientationPlan, "low");
+    if (lowIndex !== -1) {
+      resolvedIndex = (resolvedIndex + normalizeToDirectionDistance(orientationPlan.length, resolvedIndex, lowIndex)) % orientationPlan.length;
+    }
+  }
+  if (needHigh) {
+    const highIndex = firstIndexForOrientation(orientationPlan, "high");
+    if (highIndex !== -1) {
+      resolvedIndex = (resolvedIndex + normalizeToDirectionDistance(orientationPlan.length, resolvedIndex, highIndex)) % orientationPlan.length;
+    }
+  }
+  if (history.length > 0) {
+    resolvedIndex = nextDifferentIndex(orientationPlan, resolvedIndex, history[history.length - 1]);
+  }
+
+  const finalOrientation = normalizeOrientation(orientationPlan[resolvedIndex]);
+  history.push(finalOrientation);
+  if (history.length > 8) {
+    history.shift();
+  }
+  cameraHistoryByCharacter.set(historyKey, history);
+
   const stagePool =
-    (CAMERA_VARIANTS[spec.label] ?? CAMERA_VARIANTS.normal)[orientation] ??
+    (CAMERA_VARIANTS[spec.label] ?? CAMERA_VARIANTS.normal)[finalOrientation] ??
-    CAMERA_VARIANTS.normal[orientation] ??
+    CAMERA_VARIANTS.normal[finalOrientation] ??
     CAMERA_VARIANTS.normal.side;
   const phrase = pickDiverseOption(
     stagePool,
@@ -609,7 +662,7 @@ function pickCameraForStage(spec, character, stage) {
     stage,
     17,
   );
-  const angleAddonPool = LOW_HIGH_CAMERA_PHRASES[orientation];
+  const angleAddonPool = LOW_HIGH_CAMERA_PHRASES[finalOrientation];
   const extraPhrase = angleAddonPool
     ? pickDiverseOption(
     angleAddonPool,
@@ -620,7 +673,7 @@ function pickCameraForStage(spec, character, stage) {
     : null;
   const anglePhrase = extraPhrase === null ? phrase : `${phrase} ${extraPhrase}`;
   return {
-    orientation,
+    orientation: finalOrientation,
     phrase: anglePhrase,
   };
 }
@@ -633,12 +686,24 @@ function pickPoseModifier(spec, character, stage, orientation) {
     POSE_ORIENTATION_VARIANTS.normal?.[normalizedOrientation] ??
     [];
   const posePool = orientationBonus.concat(list);
-  return pickDiverseOption(
+  const pick = pickDiverseOption(
     posePool,
     charSeed(`${character.id}-${character.pose}-${character.weapon}-${orientation}`),
     stage,
     19,
   );
+  const historyKey = character.id;
+  const history = poseHistoryByCharacter.get(historyKey) ?? [];
+  let selected = pick;
+  if (history.length > 0 && selected === history[history.length - 1]) {
+    selected = posePool[(posePool.indexOf(pick) + 1) % posePool.length];
+  }
+  history.push(selected);
+  if (history.length > 12) {
+    history.shift();
+  }
+  poseHistoryByCharacter.set(historyKey, history);
+  return selected;
 }
 
 function promptFor(character, stage) {
@@ -659,6 +724,8 @@ function promptFor(character, stage) {
   const camera = pickCameraForStage(spec, character, stage);
   const angleControl =
     "Angle strictness: this render must use side/rear/low/high framing first; direct frontal composition is disallowed unless the model absolutely cannot preserve face identity.";
+  const angleConstraint =
+    "Do not output front-facing framing for default action shots. Use side/rear/low/high angles as primary composition, and rotate the view family between shots so the same character does not repeat the exact same camera axis.";
   const poseModifier = pickPoseModifier(spec, character, stage, camera.orientation);
   return [
     "Use case: stylized-concept",
@@ -674,6 +741,7 @@ function promptFor(character, stage) {
     `Facial expression: ${spec.expression}.`,
     `Camera/view variation: ${camera.orientation} angle. Composition directive: ${camera.phrase}.`,
     angleControl,
+    angleConstraint,
     "Across the character's five damage stages, rotate between side, rear, low-angle, and high-angle views as the primary framing, and only use frontal composition when the identity cannot be preserved.",
     `Camera constraint: ${CAMERA_ORIENTATION_RULES[spec.label] ?? CAMERA_ORIENTATION_RULES.normal}`,
     `Adult visual appeal: ${character.appealFocus}; ${adultAppeal}.`,